381568472 has 16 divisors (see below), whose sum is σ = 715969800. Its totient is φ = 190643200.

The previous prime is 381568471. The next prime is 381568529. The reversal of 381568472 is 274865183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381568471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654 + ... + 28197.

Almost surely, 2^381568472 is an apocalyptic number.

It is an amenable number.

381568472 is a deficient number, since it is larger than the sum of its proper divisors (334401328).

381568472 is a wasteful number, since it uses less digits than its factorization.

381568472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35266 (or 35262 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 381568472 is about 19533.7777196322. Note that the first 4 decimals coincide. The cubic root of 381568472 is about 725.3108279569.

The spelling of 381568472 in words is "three hundred eighty-one million, five hundred sixty-eight thousand, four hundred seventy-two".