381695775 has 12 divisors (see below), whose sum is σ = 631070472. Its totient is φ = 203571040.

The previous prime is 381695761. The next prime is 381695801. The reversal of 381695775 is 577596183.

It is not a de Polignac number, because 381695775 - 2⁶ = 381695711 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2544564 + ... + 2544713.

It is an arithmetic number, because the mean of its divisors is an integer number (52589206).

Almost surely, 2^381695775 is an apocalyptic number.

381695775 is a deficient number, since it is larger than the sum of its proper divisors (249374697).

381695775 is a wasteful number, since it uses less digits than its factorization.

381695775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089290 (or 5089285 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The square root of 381695775 is about 19537.0359829735. The cubic root of 381695775 is about 725.3914810021.

The spelling of 381695775 in words is "three hundred eighty-one million, six hundred ninety-five thousand, seven hundred seventy-five".