39706516 has 12 divisors (see below), whose sum is σ = 69689088. Its totient is φ = 19795352.

The previous prime is 39706489. The next prime is 39706517. The reversal of 39706516 is 61560793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39706517) 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, 12916 + ... + 15691.

It is an arithmetic number, because the mean of its divisors is an integer number (5807424).

Almost surely, 2^39706516 is an apocalyptic number.

It is an amenable number.

39706516 is a deficient number, since it is larger than the sum of its proper divisors (29982572).

39706516 is a wasteful number, since it uses less digits than its factorization.

39706516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28958 (or 28956 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 39706516 is about 6301.3106573157. The cubic root of 39706516 is about 341.1567176949.

The spelling of 39706516 in words is "thirty-nine million, seven hundred six thousand, five hundred sixteen".