380071644 has 12 divisors (see below), whose sum is σ = 886833864. Its totient is φ = 126690544.

The previous prime is 380071621. The next prime is 380071667. The reversal of 380071644 is 446170083.

It is an interprime number because it is at equal distance from previous prime (380071621) and next prime (380071667).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15836307 + ... + 15836330.

It is an arithmetic number, because the mean of its divisors is an integer number (73902822).

Almost surely, 2^380071644 is an apocalyptic number.

It is an amenable number.

380071644 is an abundant number, since it is smaller than the sum of its proper divisors (506762220).

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

380071644 is a wasteful number, since it uses less digits than its factorization.

380071644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31672644 (or 31672642 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 380071644 is about 19495.4262328373. The cubic root of 380071644 is about 724.3611615452.

The spelling of 380071644 in words is "three hundred eighty million, seventy-one thousand, six hundred forty-four".