381364875 has 32 divisors (see below), whose sum is σ = 705107520. Its totient is φ = 203392800.

The previous prime is 381364861. The next prime is 381364889. The reversal of 381364875 is 578463183.

381364875 is a `hidden beast` number, since 38 + 136 + 487 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (381364861) and next prime (381364889).

It is not a de Polignac number, because 381364875 - 2⁵ = 381364843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 381364875.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53124 + ... + 59873.

It is an arithmetic number, because the mean of its divisors is an integer number (22034610).

Almost surely, 2^381364875 is an apocalyptic number.

381364875 is a deficient number, since it is larger than the sum of its proper divisors (323742645).

381364875 is a wasteful number, since it uses less digits than its factorization.

381364875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113021 (or 113005 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 381364875 is about 19528.5656155284. The cubic root of 381364875 is about 725.1818014151.

The spelling of 381364875 in words is "three hundred eighty-one million, three hundred sixty-four thousand, eight hundred seventy-five".