998504504 has 8 divisors (see below), whose sum is σ = 1872195960. Its totient is φ = 499252248.

The previous prime is 998504501. The next prime is 998504527. The reversal of 998504504 is 405405899.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×998504504² = 1994022489016572032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998504501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62406524 + ... + 62406539.

It is an arithmetic number, because the mean of its divisors is an integer number (234024495).

Almost surely, 2^998504504 is an apocalyptic number.

It is an amenable number.

998504504 is a deficient number, since it is larger than the sum of its proper divisors (873691456).

998504504 is a wasteful number, since it uses less digits than its factorization.

998504504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124813069 (or 124813065 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 998504504 is about 31599.1218865335. The cubic root of 998504504 is about 999.5012526257.

The spelling of 998504504 in words is "nine hundred ninety-eight million, five hundred four thousand, five hundred four".