380894868 has 18 divisors (see below), whose sum is σ = 962817674. Its totient is φ = 126964944.

The previous prime is 380894867. The next prime is 380894869. The reversal of 380894868 is 868498083.

380894868 is a `hidden beast` number, since 3 + 80 + 89 + 486 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (380894867) and next prime (380894869).

It can be written as a sum of positive squares in only one way, i.e., 359936784 + 20958084 = 18972^2 + 4578^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380894867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5290171 + ... + 5290242.

Almost surely, 2^380894868 is an apocalyptic number.

It is an amenable number.

380894868 is an abundant number, since it is smaller than the sum of its proper divisors (581922806).

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

380894868 is a wasteful number, since it uses less digits than its factorization.

380894868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580423 (or 10580418 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 380894868 is about 19516.5280723801. The cubic root of 380894868 is about 724.8837660668.

The spelling of 380894868 in words is "three hundred eighty million, eight hundred ninety-four thousand, eight hundred sixty-eight".