381413464 has 16 divisors (see below), whose sum is σ = 734479200. Its totient is φ = 185552352.

The previous prime is 381413441. The next prime is 381413477. The reversal of 381413464 is 464314183.

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, 643984 + ... + 644575.

It is an arithmetic number, because the mean of its divisors is an integer number (45904950).

Almost surely, 2^381413464 is an apocalyptic number.

It is an amenable number.

381413464 is a deficient number, since it is larger than the sum of its proper divisors (353065736).

381413464 is a wasteful number, since it uses less digits than its factorization.

381413464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288602 (or 1288598 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 381413464 is about 19529.8096252882. The cubic root of 381413464 is about 725.2125981354.

The spelling of 381413464 in words is "three hundred eighty-one million, four hundred thirteen thousand, four hundred sixty-four".