383660 has 12 divisors (see below), whose sum is σ = 805728. Its totient is φ = 153456.

The previous prime is 383659. The next prime is 383681. The reversal of 383660 is 66383.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9572 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (67144).

2³⁸³⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

383660 is an abundant number, since it is smaller than the sum of its proper divisors (422068).

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

383660 is a wasteful number, since it uses less digits than its factorization.

383660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19192 (or 19190 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 383660 is about 619.4029383204. The cubic root of 383660 is about 72.6633652607.

The spelling of 383660 in words is "three hundred eighty-three thousand, six hundred sixty".