39996693 has 16 divisors (see below), whose sum is σ = 64641600. Its totient is φ = 24240240.

The previous prime is 39996683. The next prime is 39996703. The reversal of 39996693 is 39669993.

It is an interprime number because it is at equal distance from previous prime (39996683) and next prime (39996703).

It is not a de Polignac number, because 39996693 - 2⁵ = 39996661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39996613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67038 + ... + 67631.

It is an arithmetic number, because the mean of its divisors is an integer number (4040100).

Almost surely, 2^39996693 is an apocalyptic number.

39996693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39996693 is a deficient number, since it is larger than the sum of its proper divisors (24644907).

39996693 is a wasteful number, since it uses less digits than its factorization.

39996693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134689 (or 134683 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 54.

The square root of 39996693 is about 6324.2938736273. The cubic root of 39996693 is about 341.9857642582.

The spelling of 39996693 in words is "thirty-nine million, nine hundred ninety-six thousand, six hundred ninety-three".