39006666 has 24 divisors (see below), whose sum is σ = 88189920. Its totient is φ = 12436776.

The previous prime is 39006659. The next prime is 39006679. The reversal of 39006666 is 66660093.

39006666 is a modest number, since divided by 6666 gives 3900 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 39006666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46696 + ... + 47523.

It is an arithmetic number, because the mean of its divisors is an integer number (3674580).

Almost surely, 2^39006666 is an apocalyptic number.

39006666 is an abundant number, since it is smaller than the sum of its proper divisors (49183254).

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

39006666 is a wasteful number, since it uses less digits than its factorization.

39006666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94250 (or 94247 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 39006666 is about 6245.5316827313. The cubic root of 39006666 is about 339.1404644105.

The spelling of 39006666 in words is "thirty-nine million, six thousand, six hundred sixty-six".