39016660 has 12 divisors (see below), whose sum is σ = 81935028. Its totient is φ = 15606656.

The previous prime is 39016657. The next prime is 39016667. The reversal of 39016660 is 6661093.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 28751044 = 3204^2 + 5362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39016667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975397 + ... + 975436.

It is an arithmetic number, because the mean of its divisors is an integer number (6827919).

Almost surely, 2^39016660 is an apocalyptic number.

It is an amenable number.

39016660 is an abundant number, since it is smaller than the sum of its proper divisors (42918368).

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

39016660 is a wasteful number, since it uses less digits than its factorization.

39016660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950842 (or 1950840 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 39016660 is about 6246.3317234998. The cubic root of 39016660 is about 339.1694259593.

The spelling of 39016660 in words is "thirty-nine million, sixteen thousand, six hundred sixty".