381595326 has 16 divisors (see below), whose sum is σ = 872217984. Its totient is φ = 109027224.

The previous prime is 381595301. The next prime is 381595343. The reversal of 381595326 is 623595183.

It is a super-2 number, since 2×381595326² = 291229985650092552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 9085603 = 381595326 / (3 + 8 + 1 + 5 + 9 + 5 + 3 + 2 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542760 + ... + 4542843.

It is an arithmetic number, because the mean of its divisors is an integer number (54513624).

Almost surely, 2^381595326 is an apocalyptic number.

381595326 is an abundant number, since it is smaller than the sum of its proper divisors (490622658).

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

381595326 is a wasteful number, since it uses less digits than its factorization.

381595326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085615.

The product of its digits is 194400, while the sum is 42.

The square root of 381595326 is about 19534.4650809793. The cubic root of 381595326 is about 725.3278428498.

The spelling of 381595326 in words is "three hundred eighty-one million, five hundred ninety-five thousand, three hundred twenty-six".