384091980 has 24 divisors (see below), whose sum is σ = 1075457712. Its totient is φ = 102424512.

The previous prime is 384091969. The next prime is 384091993. The reversal of 384091980 is 89190483.

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, 3200707 + ... + 3200826.

It is an arithmetic number, because the mean of its divisors is an integer number (44810738).

Almost surely, 2^384091980 is an apocalyptic number.

384091980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384091980 is an abundant number, since it is smaller than the sum of its proper divisors (691365732).

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

384091980 is a wasteful number, since it uses less digits than its factorization.

384091980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401545 (or 6401543 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 384091980 is about 19598.2647191020. The cubic root of 384091980 is about 726.9062667887.

The spelling of 384091980 in words is "three hundred eighty-four million, ninety-one thousand, nine hundred eighty".