381314556 has 72 divisors (see below), whose sum is σ = 1166387040. Its totient is φ = 102537216.

The previous prime is 381314513. The next prime is 381314561. The reversal of 381314556 is 655413183.

381314556 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

381314556 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 381314556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40221 + ... + 48788.

It is an arithmetic number, because the mean of its divisors is an integer number (16199820).

Almost surely, 2^381314556 is an apocalyptic number.

381314556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

381314556 is an abundant number, since it is smaller than the sum of its proper divisors (785072484).

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

381314556 is a wasteful number, since it uses less digits than its factorization.

381314556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89043 (or 89038 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 381314556 is about 19527.2772295576. The cubic root of 381314556 is about 725.1499054274.

The spelling of 381314556 in words is "three hundred eighty-one million, three hundred fourteen thousand, five hundred fifty-six".