998825934 has 16 divisors (see below), whose sum is σ = 2102791680. Its totient is φ = 315418680.

The previous prime is 998825929. The next prime is 998825951. The reversal of 998825934 is 439528899.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380702 + ... + 4380929.

It is an arithmetic number, because the mean of its divisors is an integer number (131424480).

Almost surely, 2^998825934 is an apocalyptic number.

998825934 is an abundant number, since it is smaller than the sum of its proper divisors (1103965746).

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

998825934 is a wasteful number, since it uses less digits than its factorization.

998825934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761655.

The product of its digits is 5598720, while the sum is 57.

The square root of 998825934 is about 31604.2075363392. The cubic root of 998825934 is about 999.6084914077.

The spelling of 998825934 in words is "nine hundred ninety-eight million, eight hundred twenty-five thousand, nine hundred thirty-four".