39385660 has 24 divisors (see below), whose sum is σ = 86306976. Its totient is φ = 15069120.

The previous prime is 39385639. The next prime is 39385663. The reversal of 39385660 is 6658393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39385663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42351 + ... + 43270.

It is an arithmetic number, because the mean of its divisors is an integer number (3596124).

Almost surely, 2^39385660 is an apocalyptic number.

It is an amenable number.

39385660 is an abundant number, since it is smaller than the sum of its proper divisors (46921316).

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

39385660 is a wasteful number, since it uses less digits than its factorization.

39385660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85653 (or 85651 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 39385660 is about 6275.7995506549. The cubic root of 39385660 is about 340.2353042431.

The spelling of 39385660 in words is "thirty-nine million, three hundred eighty-five thousand, six hundred sixty".