998356924 has 12 divisors (see below), whose sum is σ = 1747467400. Its totient is φ = 499080528.

The previous prime is 998356901. The next prime is 998356937. The reversal of 998356924 is 429653899.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522 + ... + 44710.

Almost surely, 2^998356924 is an apocalyptic number.

It is an amenable number.

998356924 is a deficient number, since it is larger than the sum of its proper divisors (749110476).

998356924 is a wasteful number, since it uses less digits than its factorization.

998356924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48972 (or 48970 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 998356924 is about 31596.7866087677. The cubic root of 998356924 is about 999.4520077594.

The spelling of 998356924 in words is "nine hundred ninety-eight million, three hundred fifty-six thousand, nine hundred twenty-four".