381371804 has 24 divisors (see below), whose sum is σ = 731299968. Its totient is φ = 172582640.

The previous prime is 381371797. The next prime is 381371821. The reversal of 381371804 is 408173183.

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, 9104 + ... + 29079.

It is an arithmetic number, because the mean of its divisors is an integer number (30470832).

Almost surely, 2^381371804 is an apocalyptic number.

It is an amenable number.

381371804 is a deficient number, since it is larger than the sum of its proper divisors (349928164).

381371804 is a wasteful number, since it uses less digits than its factorization.

381371804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38425 (or 38423 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 381371804 is about 19528.7430215055. The cubic root of 381371804 is about 725.1861933195.

The spelling of 381371804 in words is "three hundred eighty-one million, three hundred seventy-one thousand, eight hundred four".