39512066 has 16 divisors (see below), whose sum is σ = 65194848. Its totient is φ = 17958820.

The previous prime is 39512051. The next prime is 39512117. The reversal of 39512066 is 66021593.

It is a happy number.

It is a super-2 number, since 2×39512066² = 3122406719176712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (4074678).

Almost surely, 2^39512066 is an apocalyptic number.

39512066 is a deficient number, since it is larger than the sum of its proper divisors (25682782).

39512066 is a wasteful number, since it uses less digits than its factorization.

39512066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878 (or 14856 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 39512066 is about 6285.8623911123. The cubic root of 39512066 is about 340.5989040525.

The spelling of 39512066 in words is "thirty-nine million, five hundred twelve thousand, sixty-six".