387588660 has 96 divisors (see below), whose sum is σ = 1127153664. Its totient is φ = 99408000.

The previous prime is 387588659. The next prime is 387588671. The reversal of 387588660 is 66885783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354715 + ... + 355805.

It is an arithmetic number, because the mean of its divisors is an integer number (11741184).

Almost surely, 2^387588660 is an apocalyptic number.

387588660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387588660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563576832).

387588660 is an abundant number, since it is smaller than the sum of its proper divisors (739565004).

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

387588660 is a wasteful number, since it uses less digits than its factorization.

387588660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 387588660 is about 19687.2715224838. The cubic root of 387588660 is about 729.1054658766.

The spelling of 387588660 in words is "three hundred eighty-seven million, five hundred eighty-eight thousand, six hundred sixty".