39412693 has 4 divisors (see below), whose sum is σ = 39431628. Its totient is φ = 39393760.

The previous prime is 39412679. The next prime is 39412697. The reversal of 39412693 is 39621493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39621493 = 97 ⋅408469.

It can be written as a sum of positive squares in 2 ways, for example, as 16305444 + 23107249 = 4038^2 + 4807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39412693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39412697) 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, 5896 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (9857907).

Almost surely, 2^39412693 is an apocalyptic number.

It is an amenable number.

39412693 is a deficient number, since it is larger than the sum of its proper divisors (18935).

39412693 is a wasteful number, since it uses less digits than its factorization.

39412693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934.

The product of its digits is 34992, while the sum is 37.

The square root of 39412693 is about 6277.9529306933. The cubic root of 39412693 is about 340.3131284858.

The spelling of 39412693 in words is "thirty-nine million, four hundred twelve thousand, six hundred ninety-three".