998713056 has 96 divisors (see below), whose sum is σ = 2870090496. Its totient is φ = 301568000.

The previous prime is 998713043. The next prime is 998713057. The reversal of 998713056 is 650317899.

998713056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 998712996 and 998713014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998713057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326896 + ... + 329936.

It is an arithmetic number, because the mean of its divisors is an integer number (29896776).

Almost surely, 2^998713056 is an apocalyptic number.

998713056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

998713056 is the 18246-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998713056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435045248).

998713056 is an abundant number, since it is smaller than the sum of its proper divisors (1871377440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998713056 is a wasteful number, since it uses less digits than its factorization.

998713056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 998713056 is about 31602.4216793587. The cubic root of 998713056 is about 999.5708345100.

The spelling of 998713056 in words is "nine hundred ninety-eight million, seven hundred thirteen thousand, fifty-six".