381411147 has 16 divisors (see below), whose sum is σ = 550545408. Its totient is φ = 233481120.

The previous prime is 381411143. The next prime is 381411181. The reversal of 381411147 is 741114183.

It is not a de Polignac number, because 381411147 - 2² = 381411143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381411143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18153 + ... + 33050.

It is an arithmetic number, because the mean of its divisors is an integer number (34409088).

Almost surely, 2^381411147 is an apocalyptic number.

381411147 is a deficient number, since it is larger than the sum of its proper divisors (169134261).

381411147 is a wasteful number, since it uses less digits than its factorization.

381411147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51410.

The product of its digits is 2688, while the sum is 30.

The square root of 381411147 is about 19529.7503056235. The cubic root of 381411147 is about 725.2111296320.

The spelling of 381411147 in words is "three hundred eighty-one million, four hundred eleven thousand, one hundred forty-seven".