398237344 has 24 divisors (see below), whose sum is σ = 791798868. Its totient is φ = 197145600.

The previous prime is 398237339. The next prime is 398237369. The reversal of 398237344 is 443732893.

It can be written as a sum of positive squares in 2 ways, for example, as 242985744 + 155251600 = 15588^2 + 12460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 398237344.

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, 58377 + ... + 64840.

Almost surely, 2^398237344 is an apocalyptic number.

It is an amenable number.

398237344 is a deficient number, since it is larger than the sum of its proper divisors (393561524).

398237344 is a wasteful number, since it uses less digits than its factorization.

398237344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123328 (or 123320 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 398237344 is about 19955.8849465515. The cubic root of 398237344 is about 735.7224260477.

The spelling of 398237344 in words is "three hundred ninety-eight million, two hundred thirty-seven thousand, three hundred forty-four".