380499870 has 16 divisors (see below), whose sum is σ = 913199760. Its totient is φ = 101466624.

The previous prime is 380499853. The next prime is 380499881. The reversal of 380499870 is 78994083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341635 + ... + 6341694.

It is an arithmetic number, because the mean of its divisors is an integer number (57074985).

Almost surely, 2^380499870 is an apocalyptic number.

380499870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

380499870 is an abundant number, since it is smaller than the sum of its proper divisors (532699890).

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

380499870 is a wasteful number, since it uses less digits than its factorization.

380499870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683339.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 380499870 is about 19506.4058708928. The cubic root of 380499870 is about 724.6331048867.

The spelling of 380499870 in words is "three hundred eighty million, four hundred ninety-nine thousand, eight hundred seventy".