381565074 has 16 divisors (see below), whose sum is σ = 832505760. Its totient is φ = 115625760.

The previous prime is 381565039. The next prime is 381565091. The reversal of 381565074 is 470565183.

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, 2890579 + ... + 2890710.

It is an arithmetic number, because the mean of its divisors is an integer number (52031610).

Almost surely, 2^381565074 is an apocalyptic number.

381565074 is an abundant number, since it is smaller than the sum of its proper divisors (450940686).

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

381565074 is a wasteful number, since it uses less digits than its factorization.

381565074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781305.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 381565074 is about 19533.6907418951. The cubic root of 381565074 is about 725.3086749020.

The spelling of 381565074 in words is "three hundred eighty-one million, five hundred sixty-five thousand, seventy-four".