381560 has 16 divisors (see below), whose sum is σ = 858600. Its totient is φ = 152608.

The previous prime is 381559. The next prime is 381569. The reversal of 381560 is 65183.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381560.

It is not an unprimeable number, because it can be changed into a prime (381569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730 + ... + 4809.

2³⁸¹⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

381560 is an abundant number, since it is smaller than the sum of its proper divisors (477040).

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

381560 is a wasteful number, since it uses less digits than its factorization.

381560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550 (or 9546 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 381560 is about 617.7054314153. The cubic root of 381560 is about 72.5305459869.

The spelling of 381560 in words is "three hundred eighty-one thousand, five hundred sixty".