381734868 has 36 divisors (see below), whose sum is σ = 920355968. Its totient is φ = 123018720.

The previous prime is 381734849. The next prime is 381734879. The reversal of 381734868 is 868437183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376330 + ... + 377342.

Almost surely, 2^381734868 is an apocalyptic number.

It is an amenable number.

381734868 is an abundant number, since it is smaller than the sum of its proper divisors (538621100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381734868 is a wasteful number, since it uses less digits than its factorization.

381734868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 1049 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 381734868 is about 19538.0364417717. The cubic root of 381734868 is about 725.4162448437.

The spelling of 381734868 in words is "three hundred eighty-one million, seven hundred thirty-four thousand, eight hundred sixty-eight".