998024838 has 16 divisors (see below), whose sum is σ = 1997019696. Its totient is φ = 332513280.

The previous prime is 998024827. The next prime is 998024849. The reversal of 998024838 is 838420899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (998024827) and next prime (998024849).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26683 + ... + 52038.

It is an arithmetic number, because the mean of its divisors is an integer number (124813731).

Almost surely, 2^998024838 is an apocalyptic number.

998024838 is an abundant number, since it is smaller than the sum of its proper divisors (998994858).

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

998024838 is a wasteful number, since it uses less digits than its factorization.

998024838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80839.

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 998024838 is about 31591.5311119927. The cubic root of 998024838 is about 999.3411787165.

The spelling of 998024838 in words is "nine hundred ninety-eight million, twenty-four thousand, eight hundred thirty-eight".