381413768 has 32 divisors (see below), whose sum is σ = 759180600. Its totient is φ = 179023872.

The previous prime is 381413749. The next prime is 381413833. The reversal of 381413768 is 867314183.

It can be written as a sum of positive squares in 4 ways, for example, as 336282244 + 45131524 = 18338^2 + 6718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52196 + ... + 59052.

Almost surely, 2^381413768 is an apocalyptic number.

It is an amenable number.

381413768 is a deficient number, since it is larger than the sum of its proper divisors (377766832).

381413768 is a wasteful number, since it uses less digits than its factorization.

381413768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289 (or 7285 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 381413768 is about 19529.8174082606. The cubic root of 381413768 is about 725.2127908087.

The spelling of 381413768 in words is "three hundred eighty-one million, four hundred thirteen thousand, seven hundred sixty-eight".