381258368 has 32 divisors (see below), whose sum is σ = 762351060. Its totient is φ = 189923328.

The previous prime is 381258349. The next prime is 381258377. The reversal of 381258368 is 863852183.

It can be written as a sum of positive squares in 2 ways, for example, as 377602624 + 3655744 = 19432^2 + 1912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 30080 + ... + 40832.

Almost surely, 2^381258368 is an apocalyptic number.

It is an amenable number.

381258368 is a deficient number, since it is larger than the sum of its proper divisors (381092692).

381258368 is a wasteful number, since it uses less digits than its factorization.

381258368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044 (or 11032 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 381258368 is about 19525.8384711131. The cubic root of 381258368 is about 725.1142859074.

The spelling of 381258368 in words is "three hundred eighty-one million, two hundred fifty-eight thousand, three hundred sixty-eight".