381412755 has 24 divisors (see below), whose sum is σ = 675185472. Its totient is φ = 199090944.

The previous prime is 381412739. The next prime is 381412771. The reversal of 381412755 is 557214183.

381412755 is a `hidden beast` number, since 381 + 4 + 1 + 275 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (381412739) and next prime (381412771).

It is not a de Polignac number, because 381412755 - 2⁴ = 381412739 is a prime.

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, 88054 + ... + 92283.

It is an arithmetic number, because the mean of its divisors is an integer number (28132728).

Almost surely, 2^381412755 is an apocalyptic number.

381412755 is a deficient number, since it is larger than the sum of its proper divisors (293772717).

381412755 is a wasteful number, since it uses less digits than its factorization.

381412755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180395 (or 180392 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 381412755 is about 19529.7914735411. The cubic root of 381412755 is about 725.2121487753.

The spelling of 381412755 in words is "three hundred eighty-one million, four hundred twelve thousand, seven hundred fifty-five".