381738004 has 24 divisors (see below), whose sum is σ = 685238400. Its totient is φ = 185977344.

The previous prime is 381738001. The next prime is 381738011. The reversal of 381738004 is 400837183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381738001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74757 + ... + 79699.

It is an arithmetic number, because the mean of its divisors is an integer number (28551600).

Almost surely, 2^381738004 is an apocalyptic number.

It is an amenable number.

381738004 is a deficient number, since it is larger than the sum of its proper divisors (303500396).

381738004 is a wasteful number, since it uses less digits than its factorization.

381738004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5437 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 381738004 is about 19538.1166953215. The cubic root of 381738004 is about 725.4182313002.

The spelling of 381738004 in words is "three hundred eighty-one million, seven hundred thirty-eight thousand, four".