386855667 has 24 divisors (see below), whose sum is σ = 613267200. Its totient is φ = 233044080.

The previous prime is 386855663. The next prime is 386855671. The reversal of 386855667 is 766558683.

386855667 is a `hidden beast` number, since 3 + 86 + 8 + 556 + 6 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (386855663) and next prime (386855671).

It is not a de Polignac number, because 386855667 - 2² = 386855663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386855663) 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, 4834 + ... + 28232.

It is an arithmetic number, because the mean of its divisors is an integer number (25552800).

Almost surely, 2^386855667 is an apocalyptic number.

386855667 is a deficient number, since it is larger than the sum of its proper divisors (226411533).

386855667 is a wasteful number, since it uses less digits than its factorization.

386855667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23583 (or 23580 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 386855667 is about 19668.6468014452. The cubic root of 386855667 is about 728.6455569492.

The spelling of 386855667 in words is "three hundred eighty-six million, eight hundred fifty-five thousand, six hundred sixty-seven".