387660 has 96 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 80640.

The previous prime is 387659. The next prime is 387677. The reversal of 387660 is 66783.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5425 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2³⁸⁷⁶⁶⁰ is an apocalyptic number.

387660 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 387660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677376).

387660 is an abundant number, since it is smaller than the sum of its proper divisors (967092).

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

387660 is a wasteful number, since it uses less digits than its factorization.

387660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 387660 is about 622.6234817287. The cubic root of 387660 is about 72.9150196453.

The spelling of 387660 in words is "three hundred eighty-seven thousand, six hundred sixty".