386142687 has 24 divisors (see below), whose sum is σ = 665463600. Its totient is φ = 220652208.

The previous prime is 386142677. The next prime is 386142689. The reversal of 386142687 is 786241683.

386142687 is a `hidden beast` number, since 3 + 8 + 614 + 26 + 8 + 7 = 666.

It is not a de Polignac number, because 386142687 - 2⁴ = 386142671 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386142689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144612 + ... + 147257.

It is an arithmetic number, because the mean of its divisors is an integer number (27727650).

Almost surely, 2^386142687 is an apocalyptic number.

386142687 is a deficient number, since it is larger than the sum of its proper divisors (279320913).

386142687 is a wasteful number, since it uses less digits than its factorization.

386142687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291892 (or 291879 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 386142687 is about 19650.5136574086. The cubic root of 386142687 is about 728.1976472721.

The spelling of 386142687 in words is "three hundred eighty-six million, one hundred forty-two thousand, six hundred eighty-seven".