381898674 has 24 divisors (see below), whose sum is σ = 841014252. Its totient is φ = 125212320.

The previous prime is 381898669. The next prime is 381898691. The reversal of 381898674 is 476898183.

It can be written as a sum of positive squares in 2 ways, for example, as 376631649 + 5267025 = 19407^2 + 2295^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381898674.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172809 + ... + 175004.

Almost surely, 2^381898674 is an apocalyptic number.

381898674 is an abundant number, since it is smaller than the sum of its proper divisors (459115578).

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

381898674 is a wasteful number, since it uses less digits than its factorization.

381898674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347882 (or 347879 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 381898674 is about 19542.2279691953. The cubic root of 381898674 is about 725.5199909694.

The spelling of 381898674 in words is "three hundred eighty-one million, eight hundred ninety-eight thousand, six hundred seventy-four".