398037384 has 48 divisors (see below), whose sum is σ = 1134759600. Its totient is φ = 125695584.

The previous prime is 398037377. The next prime is 398037401. The reversal of 398037384 is 483730893.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144114 + ... + 146849.

It is an arithmetic number, because the mean of its divisors is an integer number (23640825).

Almost surely, 2^398037384 is an apocalyptic number.

It is an amenable number.

398037384 is an abundant number, since it is smaller than the sum of its proper divisors (736722216).

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

398037384 is a wasteful number, since it uses less digits than its factorization.

398037384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290994 (or 290987 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 398037384 is about 19950.8742665578. The cubic root of 398037384 is about 735.5992669248.

The spelling of 398037384 in words is "three hundred ninety-eight million, thirty-seven thousand, three hundred eighty-four".