387684236 has 12 divisors (see below), whose sum is σ = 679330512. Its totient is φ = 193589808.

The previous prime is 387684229. The next prime is 387684257. The reversal of 387684236 is 632486783.

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, 59600 + ... + 65783.

It is an arithmetic number, because the mean of its divisors is an integer number (56610876).

Almost surely, 2^387684236 is an apocalyptic number.

It is an amenable number.

387684236 is a deficient number, since it is larger than the sum of its proper divisors (291646276).

387684236 is a wasteful number, since it uses less digits than its factorization.

387684236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126160 (or 126158 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 387684236 is about 19689.6987280151. The cubic root of 387684236 is about 729.1653913113.

The spelling of 387684236 in words is "three hundred eighty-seven million, six hundred eighty-four thousand, two hundred thirty-six".