381146932 has 24 divisors (see below), whose sum is σ = 677171880. Its totient is φ = 187689600.

The previous prime is 381146929. The next prime is 381146959. The reversal of 381146932 is 239641183.

It can be written as a sum of positive squares in 4 ways, for example, as 176199076 + 204947856 = 13274^2 + 14316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 381146891 and 381146900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77194 + ... + 81982.

It is an arithmetic number, because the mean of its divisors is an integer number (28215495).

Almost surely, 2^381146932 is an apocalyptic number.

It is an amenable number.

381146932 is a deficient number, since it is larger than the sum of its proper divisors (296024948).

381146932 is a wasteful number, since it uses less digits than its factorization.

381146932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5089 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 381146932 is about 19522.9847103357. The cubic root of 381146932 is about 725.0436324117.

The spelling of 381146932 in words is "three hundred eighty-one million, one hundred forty-six thousand, nine hundred thirty-two".