39799693 has 4 divisors (see below), whose sum is σ = 39839328. Its totient is φ = 39760060.

The previous prime is 39799681. The next prime is 39799709. The reversal of 39799693 is 39699793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39799693 - 2⁹ = 39799181 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 (39799663) 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, 18271 + ... + 20332.

It is an arithmetic number, because the mean of its divisors is an integer number (9959832).

Almost surely, 2^39799693 is an apocalyptic number.

It is an amenable number.

39799693 is a deficient number, since it is larger than the sum of its proper divisors (39635).

39799693 is a wasteful number, since it uses less digits than its factorization.

39799693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39634.

The product of its digits is 2480058, while the sum is 55.

The square root of 39799693 is about 6308.6997868023. The cubic root of 39799693 is about 341.4233668502.

The spelling of 39799693 in words is "thirty-nine million, seven hundred ninety-nine thousand, six hundred ninety-three".