998760798 has 24 divisors (see below), whose sum is σ = 2473122288. Its totient is φ = 285360192.

The previous prime is 998760781. The next prime is 998760799. The reversal of 998760798 is 897067899.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998760799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963211 + ... + 3963462.

It is an arithmetic number, because the mean of its divisors is an integer number (103046762).

Almost surely, 2^998760798 is an apocalyptic number.

998760798 is an abundant number, since it is smaller than the sum of its proper divisors (1474361490).

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

998760798 is a wasteful number, since it uses less digits than its factorization.

998760798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926688 (or 7926685 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The square root of 998760798 is about 31603.1770238373. The cubic root of 998760798 is about 999.5867619245.

The spelling of 998760798 in words is "nine hundred ninety-eight million, seven hundred sixty thousand, seven hundred ninety-eight".