381576 has 32 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 117312.

The previous prime is 381569. The next prime is 381607. The reversal of 381576 is 675183.

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, 300 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2³⁸¹⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

381576 is an abundant number, since it is smaller than the sum of its proper divisors (646584).

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

381576 is a wasteful number, since it uses less digits than its factorization.

381576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1241 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 381576 is about 617.7183824365. The cubic root of 381576 is about 72.5315597834.

The spelling of 381576 in words is "three hundred eighty-one thousand, five hundred seventy-six".