381597042 has 32 divisors (see below), whose sum is σ = 804593664. Its totient is φ = 120474000.

The previous prime is 381597037. The next prime is 381597043. The reversal of 381597042 is 240795183.

381597042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (381597043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13084 + ... + 30567.

It is an arithmetic number, because the mean of its divisors is an integer number (25143552).

Almost surely, 2^381597042 is an apocalyptic number.

381597042 is an abundant number, since it is smaller than the sum of its proper divisors (422996622).

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

381597042 is a wasteful number, since it uses less digits than its factorization.

381597042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43734.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 381597042 is about 19534.5090032998. The cubic root of 381597042 is about 725.3289300929.

The spelling of 381597042 in words is "three hundred eighty-one million, five hundred ninety-seven thousand, forty-two".