381875 has 20 divisors (see below), whose sum is σ = 524832. Its totient is φ = 276000.

The previous prime is 381859. The next prime is 381911. The reversal of 381875 is 578183.

381875 = 2⁵ + 3⁵ + ... + 11⁵.

It is not a de Polignac number, because 381875 - 2⁴ = 381859 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (6720) is a multiple of the sum of its prime factors (80).

It is a nialpdrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381875.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8102 + ... + 8148.

2³⁸¹⁸⁷⁵ is an apocalyptic number.

381875 is a deficient number, since it is larger than the sum of its proper divisors (142957).

381875 is an equidigital number, since it uses as much as digits as its factorization.

381875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 65 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 381875 is about 617.9603547154. The cubic root of 381875 is about 72.5504998934.

The spelling of 381875 in words is "three hundred eighty-one thousand, eight hundred seventy-five".