381392322 has 8 divisors (see below), whose sum is σ = 762784656. Its totient is φ = 127130772.

The previous prime is 381392321. The next prime is 381392351. The reversal of 381392322 is 223293183.

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

381392322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (381392321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31782688 + ... + 31782699.

It is an arithmetic number, because the mean of its divisors is an integer number (95348082).

Almost surely, 2^381392322 is an apocalyptic number.

381392322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381392322 is a wasteful number, since it uses less digits than its factorization.

381392322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63565392.

The product of its digits is 15552, while the sum is 33.

The square root of 381392322 is about 19529.2683426697. The cubic root of 381392322 is about 725.1991982169.

The spelling of 381392322 in words is "three hundred eighty-one million, three hundred ninety-two thousand, three hundred twenty-two".