382938155 has 32 divisors (see below), whose sum is σ = 494702208. Its totient is φ = 283852800.

The previous prime is 382938139. The next prime is 382938211. The reversal of 382938155 is 551839283.

It is not a de Polignac number, because 382938155 - 2⁴ = 382938139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1136147 + ... + 1136483.

It is an arithmetic number, because the mean of its divisors is an integer number (15459444).

Almost surely, 2^382938155 is an apocalyptic number.

382938155 is a deficient number, since it is larger than the sum of its proper divisors (111764053).

382938155 is a wasteful number, since it uses less digits than its factorization.

382938155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 259200, while the sum is 44.

The square root of 382938155 is about 19568.8056610515. The cubic root of 382938155 is about 726.1776532260.

The spelling of 382938155 in words is "three hundred eighty-two million, nine hundred thirty-eight thousand, one hundred fifty-five".