998400152 has 8 divisors (see below), whose sum is σ = 1872000300. Its totient is φ = 499200072.

The previous prime is 998400149. The next prime is 998400217. The reversal of 998400152 is 251004899.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62400002 + ... + 62400017.

Almost surely, 2^998400152 is an apocalyptic number.

It is an amenable number.

998400152 is a deficient number, since it is larger than the sum of its proper divisors (873600148).

998400152 is a wasteful number, since it uses less digits than its factorization.

998400152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124800025 (or 124800021 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 998400152 is about 31597.4706582663. The cubic root of 998400152 is about 999.4664326899.

The spelling of 998400152 in words is "nine hundred ninety-eight million, four hundred thousand, one hundred fifty-two".