389537392 has 40 divisors (see below), whose sum is σ = 813854160. Its totient is φ = 180011520.

The previous prime is 389537389. The next prime is 389537429. The reversal of 389537392 is 293735983.

It is a happy number.

It is a super-3 number, since 3×389537392³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 28090.

It is an arithmetic number, because the mean of its divisors is an integer number (20346354).

Almost surely, 2^389537392 is an apocalyptic number.

It is an amenable number.

389537392 is an abundant number, since it is smaller than the sum of its proper divisors (424316768).

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

389537392 is a wasteful number, since it uses less digits than its factorization.

389537392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31321 (or 31315 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The square root of 389537392 is about 19736.7016494651. The cubic root of 389537392 is about 730.3253644384.

The spelling of 389537392 in words is "three hundred eighty-nine million, five hundred thirty-seven thousand, three hundred ninety-two".