381132 has 24 divisors (see below), whose sum is σ = 988400. Its totient is φ = 127008.

The previous prime is 381103. The next prime is 381167. The reversal of 381132 is 231183.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1657 + ... + 1872.

2³⁸¹¹³² is an apocalyptic number.

It is an amenable number.

381132 is an abundant number, since it is smaller than the sum of its proper divisors (607268).

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

381132 is a wasteful number, since it uses less digits than its factorization.

381132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3534 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 381132 is about 617.3588907597. The cubic root of 381132 is about 72.5034164066.

The spelling of 381132 in words is "three hundred eighty-one thousand, one hundred thirty-two".