381486572 has 12 divisors (see below), whose sum is σ = 668287536. Its totient is φ = 190547280.

The previous prime is 381486563. The next prime is 381486577. The reversal of 381486572 is 275684183.

It is a super-2 number, since 2×381486572² = 291064009232622368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381486577) 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, 44579 + ... + 52442.

It is an arithmetic number, because the mean of its divisors is an integer number (55690628).

Almost surely, 2^381486572 is an apocalyptic number.

It is an amenable number.

381486572 is a deficient number, since it is larger than the sum of its proper divisors (286800964).

381486572 is a wasteful number, since it uses less digits than its factorization.

381486572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98008 (or 98006 counting only the distinct ones).

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

The square root of 381486572 is about 19531.6812384393. The cubic root of 381486572 is about 725.2589305808.

The spelling of 381486572 in words is "three hundred eighty-one million, four hundred eighty-six thousand, five hundred seventy-two".