380919863 has 8 divisors (see below), whose sum is σ = 384368640. Its totient is φ = 377478360.

The previous prime is 380919839. The next prime is 380919881. The reversal of 380919863 is 368919083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380919863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380919883) 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, 185798 + ... + 187836.

It is an arithmetic number, because the mean of its divisors is an integer number (48046080).

Almost surely, 2^380919863 is an apocalyptic number.

380919863 is a deficient number, since it is larger than the sum of its proper divisors (3448777).

380919863 is a wasteful number, since it uses less digits than its factorization.

380919863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 380919863 is about 19517.1684165506. The cubic root of 380919863 is about 724.8996217748.

The spelling of 380919863 in words is "three hundred eighty million, nine hundred nineteen thousand, eight hundred sixty-three".