381275504 has 20 divisors (see below), whose sum is σ = 743683800. Its totient is φ = 189357120.

The previous prime is 381275501. The next prime is 381275513. The reversal of 381275504 is 405572183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381275501) 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, 77582 + ... + 82349.

It is an arithmetic number, because the mean of its divisors is an integer number (37184190).

Almost surely, 2^381275504 is an apocalyptic number.

It is an amenable number.

381275504 is a deficient number, since it is larger than the sum of its proper divisors (362408296).

381275504 is a wasteful number, since it uses less digits than its factorization.

381275504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160088 (or 160082 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 381275504 is about 19526.2772693619. The cubic root of 381275504 is about 725.1251493824.

The spelling of 381275504 in words is "three hundred eighty-one million, two hundred seventy-five thousand, five hundred four".