381898704 has 40 divisors (see below), whose sum is σ = 1076261472. Its totient is φ = 115726720.

The previous prime is 381898691. The next prime is 381898753. The reversal of 381898704 is 407898183.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 361119 + ... + 362174.

Almost surely, 2^381898704 is an apocalyptic number.

It is an amenable number.

381898704 is an abundant number, since it is smaller than the sum of its proper divisors (694362768).

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

381898704 is a wasteful number, since it uses less digits than its factorization.

381898704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723315 (or 723309 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 381898704 is about 19542.2287367639. The cubic root of 381898704 is about 725.5200099671.

The spelling of 381898704 in words is "three hundred eighty-one million, eight hundred ninety-eight thousand, seven hundred four".