381693875 has 8 divisors (see below), whose sum is σ = 476354112. Its totient is φ = 305355000.

The previous prime is 381693857. The next prime is 381693899. The reversal of 381693875 is 578396183.

It is a happy number.

It is not a de Polignac number, because 381693875 - 2⁸ = 381693619 is a prime.

It is a Duffinian 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, 1526651 + ... + 1526900.

It is an arithmetic number, because the mean of its divisors is an integer number (59544264).

Almost surely, 2^381693875 is an apocalyptic number.

381693875 is a deficient number, since it is larger than the sum of its proper divisors (94660237).

381693875 is an equidigital number, since it uses as much as digits as its factorization.

381693875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053566 (or 3053556 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 381693875 is about 19536.9873573179. The cubic root of 381693875 is about 725.3902773855.

The spelling of 381693875 in words is "three hundred eighty-one million, six hundred ninety-three thousand, eight hundred seventy-five".