381957119 has 8 divisors (see below), whose sum is σ = 387754752. Its totient is φ = 376188120.

The previous prime is 381957077. The next prime is 381957137. The reversal of 381957119 is 911759183.

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

It is a de Polignac number, because none of the positive numbers 2^k-381957119 is a prime.

It is a super-2 number, since 2×381957119² = 291782481509560322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 381957119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381950119) 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, 20522 + ... + 34424.

It is an arithmetic number, because the mean of its divisors is an integer number (48469344).

Almost surely, 2^381957119 is an apocalyptic number.

381957119 is a deficient number, since it is larger than the sum of its proper divisors (5797633).

381957119 is a wasteful number, since it uses less digits than its factorization.

381957119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14317.

The product of its digits is 68040, while the sum is 44.

The square root of 381957119 is about 19543.7232634931. The cubic root of 381957119 is about 725.5569997851.

The spelling of 381957119 in words is "three hundred eighty-one million, nine hundred fifty-seven thousand, one hundred nineteen".