998352270 has 64 divisors (see below), whose sum is σ = 2670554880. Its totient is φ = 265399200.

The previous prime is 998352263. The next prime is 998352287. The reversal of 998352270 is 72253899.

998352270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

998352270 is a nontrivial binomial coefficient, being equal to C(44685, 2).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83785 + ... + 94955.

It is an arithmetic number, because the mean of its divisors is an integer number (41727420).

Almost surely, 2^998352270 is an apocalyptic number.

998352270 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

998352270 is the 44684-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998352270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335277440).

998352270 is an abundant number, since it is smaller than the sum of its proper divisors (1672202610).

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

998352270 is a wasteful number, since it uses less digits than its factorization.

998352270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11512 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 998352270 is about 31596.7129619522. The cubic root of 998352270 is about 999.4504547220.

The spelling of 998352270 in words is "nine hundred ninety-eight million, three hundred fifty-two thousand, two hundred seventy".