381960875 has 8 divisors (see below), whose sum is σ = 476687328. Its totient is φ = 305568600.

The previous prime is 381960863. The next prime is 381960881. The reversal of 381960875 is 578069183.

It is a happy number.

It is not a de Polignac number, because 381960875 - 2⁸ = 381960619 is a prime.

It is a super-2 number, since 2×381960875² = 291788220061531250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527719 + ... + 1527968.

It is an arithmetic number, because the mean of its divisors is an integer number (59585916).

Almost surely, 2^381960875 is an apocalyptic number.

381960875 is a deficient number, since it is larger than the sum of its proper divisors (94726453).

381960875 is an equidigital number, since it uses as much as digits as its factorization.

381960875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055702 (or 3055692 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 381960875 is about 19543.8193554893. The cubic root of 381960875 is about 725.5593780478.

The spelling of 381960875 in words is "three hundred eighty-one million, nine hundred sixty thousand, eight hundred seventy-five".