380856688 has 40 divisors (see below), whose sum is σ = 761694800. Its totient is φ = 184343040.

The previous prime is 380856683. The next prime is 380856703. The reversal of 380856688 is 886658083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380856683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123388 + ... + 126436.

It is an arithmetic number, because the mean of its divisors is an integer number (19042370).

Almost surely, 2^380856688 is an apocalyptic number.

It is an amenable number.

380856688 is a deficient number, since it is larger than the sum of its proper divisors (380838112).

380856688 is a wasteful number, since it uses less digits than its factorization.

380856688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 380856688 is about 19515.5499025777. The cubic root of 380856688 is about 724.8595450465.

The spelling of 380856688 in words is "three hundred eighty million, eight hundred fifty-six thousand, six hundred eighty-eight".