381915230 has 32 divisors (see below), whose sum is σ = 726451200. Its totient is φ = 144267552.

The previous prime is 381915229. The next prime is 381915241. The reversal of 381915230 is 32519183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7661 + ... + 28679.

It is an arithmetic number, because the mean of its divisors is an integer number (22701600).

Almost surely, 2^381915230 is an apocalyptic number.

381915230 is a deficient number, since it is larger than the sum of its proper divisors (344535970).

381915230 is a wasteful number, since it uses less digits than its factorization.

381915230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 381915230 is about 19542.6515601133. The cubic root of 381915230 is about 725.5304750203.

The spelling of 381915230 in words is "three hundred eighty-one million, nine hundred fifteen thousand, two hundred thirty".