389577284 has 24 divisors (see below), whose sum is σ = 693000000. Its totient is φ = 191590560.

The previous prime is 389577277. The next prime is 389577299. The reversal of 389577284 is 482775983.

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, 140342 + ... + 143090.

It is an arithmetic number, because the mean of its divisors is an integer number (28875000).

Almost surely, 2^389577284 is an apocalyptic number.

It is an amenable number.

389577284 is a deficient number, since it is larger than the sum of its proper divisors (303422716).

389577284 is a wasteful number, since it uses less digits than its factorization.

389577284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3321 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 389577284 is about 19737.7122281180. The cubic root of 389577284 is about 730.3502941333.

The spelling of 389577284 in words is "three hundred eighty-nine million, five hundred seventy-seven thousand, two hundred eighty-four".