381756004 has 12 divisors (see below), whose sum is σ = 763512064. Its totient is φ = 163609704.

The previous prime is 381755987. The next prime is 381756049. The reversal of 381756004 is 400657183.

381756004 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6817044 + ... + 6817099.

Almost surely, 2^381756004 is an apocalyptic number.

It is an amenable number.

381756004 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.

381756004 is a wasteful number, since it uses less digits than its factorization.

381756004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634154 (or 13634152 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 381756004 is about 19538.5773279428. The cubic root of 381756004 is about 725.4296329446.

The spelling of 381756004 in words is "three hundred eighty-one million, seven hundred fifty-six thousand, four".