39379723 has 4 divisors (see below), whose sum is σ = 41452360. Its totient is φ = 37307088.

The previous prime is 39379663. The next prime is 39379757. The reversal of 39379723 is 32797393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32797393 = 163 ⋅201211.

It is a cyclic number.

It is not a de Polignac number, because 39379723 - 2²⁵ = 5825291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39379723.

It is not an unprimeable number, because it can be changed into a prime (39379763) 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, 1036290 + ... + 1036327.

It is an arithmetic number, because the mean of its divisors is an integer number (10363090).

Almost surely, 2^39379723 is an apocalyptic number.

39379723 is a deficient number, since it is larger than the sum of its proper divisors (2072637).

39379723 is a wasteful number, since it uses less digits than its factorization.

39379723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072636.

The product of its digits is 214326, while the sum is 43.

The square root of 39379723 is about 6275.3265253690. The cubic root of 39379723 is about 340.2182076780.

The spelling of 39379723 in words is "thirty-nine million, three hundred seventy-nine thousand, seven hundred twenty-three".