383155856 has 20 divisors (see below), whose sum is σ = 747285504. Its totient is φ = 190308000.

The previous prime is 383155841. The next prime is 383155867. The reversal of 383155856 is 658551383.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 76880 + ... + 81711.

Almost surely, 2^383155856 is an apocalyptic number.

It is an amenable number.

383155856 is a deficient number, since it is larger than the sum of its proper divisors (364129648).

383155856 is a wasteful number, since it uses less digits than its factorization.

383155856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158750 (or 158744 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The square root of 383155856 is about 19574.3673205547. The cubic root of 383155856 is about 726.3152382386.

The spelling of 383155856 in words is "three hundred eighty-three million, one hundred fifty-five thousand, eight hundred fifty-six".