381688322 has 8 divisors (see below), whose sum is σ = 572781072. Its totient is φ = 190761300.

The previous prime is 381688313. The next prime is 381688331. The reversal of 381688322 is 223886183.

It is an interprime number because it is at equal distance from previous prime (381688313) and next prime (381688331).

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

It is a self number, because there is not a number n which added to its sum of digits gives 381688322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35504 + ... + 44987.

It is an arithmetic number, because the mean of its divisors is an integer number (71597634).

Almost surely, 2^381688322 is an apocalyptic number.

381688322 is a deficient number, since it is larger than the sum of its proper divisors (191092750).

381688322 is a wasteful number, since it uses less digits than its factorization.

381688322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82864.

The product of its digits is 110592, while the sum is 41.

The square root of 381688322 is about 19536.8452417477. The cubic root of 381688322 is about 725.3867596348.

The spelling of 381688322 in words is "three hundred eighty-one million, six hundred eighty-eight thousand, three hundred twenty-two".