998744904 has 40 divisors (see below), whose sum is σ = 2797412310. Its totient is φ = 332914752.

The previous prime is 998744897. The next prime is 998744941. The reversal of 998744904 is 409447899.

It is a happy number.

998744904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 767400804 + 231344100 = 27702^2 + 15210^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 769989 + ... + 771284.

Almost surely, 2^998744904 is an apocalyptic number.

It is an amenable number.

998744904 is an abundant number, since it is smaller than the sum of its proper divisors (1798667406).

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

998744904 is a wasteful number, since it uses less digits than its factorization.

998744904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541291 (or 1541278 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 998744904 is about 31602.9255607768. The cubic root of 998744904 is about 999.5814595150.

The spelling of 998744904 in words is "nine hundred ninety-eight million, seven hundred forty-four thousand, nine hundred four".