39606172 has 6 divisors (see below), whose sum is σ = 69310808. Its totient is φ = 19803084.

The previous prime is 39606121. The next prime is 39606173. The reversal of 39606172 is 27160693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39606173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950768 + ... + 4950775.

Almost surely, 2^39606172 is an apocalyptic number.

It is an amenable number.

39606172 is a deficient number, since it is larger than the sum of its proper divisors (29704636).

39606172 is a wasteful number, since it uses less digits than its factorization.

39606172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901547 (or 9901545 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 39606172 is about 6293.3434675060. The cubic root of 39606172 is about 340.8690914567.

The spelling of 39606172 in words is "thirty-nine million, six hundred six thousand, one hundred seventy-two".