398543152 has 20 divisors (see below), whose sum is σ = 882488656. Its totient is φ = 170804160.

The previous prime is 398543141. The next prime is 398543179. The reversal of 398543152 is 251345893.

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, 1779099 + ... + 1779322.

Almost surely, 2^398543152 is an apocalyptic number.

It is an amenable number.

398543152 is an abundant number, since it is smaller than the sum of its proper divisors (483945504).

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

398543152 is a wasteful number, since it uses less digits than its factorization.

398543152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558436 (or 3558430 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 398543152 is about 19963.5455768759. The cubic root of 398543152 is about 735.9106992315.

The spelling of 398543152 in words is "three hundred ninety-eight million, five hundred forty-three thousand, one hundred fifty-two".