381695965 has 8 divisors (see below), whose sum is σ = 523468800. Its totient is φ = 261734352.

The previous prime is 381695953. The next prime is 381695969. The reversal of 381695965 is 569596183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381695965 - 2⁵ = 381695933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381695969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452765 + ... + 5452834.

It is an arithmetic number, because the mean of its divisors is an integer number (65433600).

Almost surely, 2^381695965 is an apocalyptic number.

381695965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381695965 is a deficient number, since it is larger than the sum of its proper divisors (141772835).

381695965 is a wasteful number, since it uses less digits than its factorization.

381695965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905611.

The product of its digits is 1749600, while the sum is 52.

The square root of 381695965 is about 19537.0408455324. The cubic root of 381695965 is about 725.3916013636.

The spelling of 381695965 in words is "three hundred eighty-one million, six hundred ninety-five thousand, nine hundred sixty-five".