387249180 has 48 divisors (see below), whose sum is σ = 1121692320. Its totient is φ = 99705088.

The previous prime is 387249169. The next prime is 387249221. The reversal of 387249180 is 81942783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109539 + ... + 113018.

It is an arithmetic number, because the mean of its divisors is an integer number (23368590).

Almost surely, 2^387249180 is an apocalyptic number.

387249180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387249180 is an abundant number, since it is smaller than the sum of its proper divisors (734443140).

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

387249180 is a wasteful number, since it uses less digits than its factorization.

387249180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222598 (or 222596 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 387249180 is about 19678.6478194006. The cubic root of 387249180 is about 728.8925347901.

The spelling of 387249180 in words is "three hundred eighty-seven million, two hundred forty-nine thousand, one hundred eighty".