381383160 has 32 divisors (see below), whose sum is σ = 1144149840. Its totient is φ = 101702144.

The previous prime is 381383141. The next prime is 381383179. The reversal of 381383160 is 61383183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (381383141) and next prime (381383179).

It is a super-2 number, since 2×381383160² = 290906229463171200, which contains 22 as substring.

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, 1588977 + ... + 1589216.

Almost surely, 2^381383160 is an apocalyptic number.

381383160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381383160 is an abundant number, since it is smaller than the sum of its proper divisors (762766680).

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

381383160 is a wasteful number, since it uses less digits than its factorization.

381383160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178207 (or 3178203 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 381383160 is about 19529.0337702611. The cubic root of 381383160 is about 725.1933911359.

The spelling of 381383160 in words is "three hundred eighty-one million, three hundred eighty-three thousand, one hundred sixty".