381532 has 6 divisors (see below), whose sum is σ = 667688. Its totient is φ = 190764.

The previous prime is 381529. The next prime is 381533. The reversal of 381532 is 235183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47688 + ... + 47695.

2³⁸¹⁵³² is an apocalyptic number.

It is an amenable number.

381532 is a deficient number, since it is larger than the sum of its proper divisors (286156).

381532 is a wasteful number, since it uses less digits than its factorization.

381532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95387 (or 95385 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 381532 is about 617.6827664748. The cubic root of 381532 is about 72.5287717750.

The spelling of 381532 in words is "three hundred eighty-one thousand, five hundred thirty-two".