386422947 has 16 divisors (see below), whose sum is σ = 583282080. Its totient is φ = 252753696.

The previous prime is 386422913. The next prime is 386422957. The reversal of 386422947 is 749224683.

386422947 is a `hidden beast` number, since 386 + 4 + 229 + 47 = 666.

It is not a de Polignac number, because 386422947 - 2⁷ = 386422819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386422957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133588 + ... + 136449.

It is an arithmetic number, because the mean of its divisors is an integer number (36455130).

Almost surely, 2^386422947 is an apocalyptic number.

386422947 is a deficient number, since it is larger than the sum of its proper divisors (196859133).

386422947 is a wasteful number, since it uses less digits than its factorization.

386422947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270099 (or 270093 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 386422947 is about 19657.6434752490. The cubic root of 386422947 is about 728.3737784665.

The spelling of 386422947 in words is "three hundred eighty-six million, four hundred twenty-two thousand, nine hundred forty-seven".