39390966 has 24 divisors (see below), whose sum is σ = 85540104. Its totient is φ = 13100640.

The previous prime is 39390959. The next prime is 39391003. The reversal of 39390966 is 66909393.

It is a congruent number.

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, 6610 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (3564171).

Almost surely, 2^39390966 is an apocalyptic number.

39390966 is an abundant number, since it is smaller than the sum of its proper divisors (46149138).

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

39390966 is a wasteful number, since it uses less digits than its factorization.

39390966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 45.

The square root of 39390966 is about 6276.2222713986. Note that the first 4 decimals coincide. The cubic root of 39390966 is about 340.2505822865.

The spelling of 39390966 in words is "thirty-nine million, three hundred ninety thousand, nine hundred sixty-six".