998326938 has 32 divisors (see below), whose sum is σ = 2416120704. Its totient is φ = 268457472.

The previous prime is 998326919. The next prime is 998326963. The reversal of 998326938 is 839623899.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698395 + ... + 699822.

It is an arithmetic number, because the mean of its divisors is an integer number (75503772).

Almost surely, 2^998326938 is an apocalyptic number.

998326938 is an abundant number, since it is smaller than the sum of its proper divisors (1417793766).

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

998326938 is a wasteful number, since it uses less digits than its factorization.

998326938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398246.

The product of its digits is 5038848, while the sum is 57.

The square root of 998326938 is about 31596.3120949265. The cubic root of 998326938 is about 999.4420013621.

The spelling of 998326938 in words is "nine hundred ninety-eight million, three hundred twenty-six thousand, nine hundred thirty-eight".