4396857138 has 24 divisors (see below), whose sum is σ = 9758879676. Its totient is φ = 1429872000.

The previous prime is 4396857083. The next prime is 4396857173. The reversal of 4396857138 is 8317586934.

4396857138 is a `hidden beast` number, since 4 + 3 + 9 + 68 + 571 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4164508089 + 232349049 = 64533^2 + 15243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2978163 + ... + 2979638.

Almost surely, 2^4396857138 is an apocalyptic number.

4396857138 is an abundant number, since it is smaller than the sum of its proper divisors (5362022538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4396857138 is a wasteful number, since it uses less digits than its factorization.

4396857138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957850 (or 5957847 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 4396857138 is about 66308.8013615086. The cubic root of 4396857138 is about 1638.2522946816.

The spelling of 4396857138 in words is "four billion, three hundred ninety-six million, eight hundred fifty-seven thousand, one hundred thirty-eight".