39712293 has 6 divisors (see below), whose sum is σ = 57362214. Its totient is φ = 26474856.

The previous prime is 39712249. The next prime is 39712303. The reversal of 39712293 is 39221793.

It can be written as a sum of positive squares in only one way, i.e., 31606884 + 8105409 = 5622^2 + 2847^2 .

It is not a de Polignac number, because 39712293 - 2⁶ = 39712229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39712243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2206230 + ... + 2206247.

It is an arithmetic number, because the mean of its divisors is an integer number (9560369).

Almost surely, 2^39712293 is an apocalyptic number.

It is an amenable number.

39712293 is a deficient number, since it is larger than the sum of its proper divisors (17649921).

39712293 is a wasteful number, since it uses less digits than its factorization.

39712293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412483 (or 4412480 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 39712293 is about 6301.7690373418. The cubic root of 39712293 is about 341.1732621396.

The spelling of 39712293 in words is "thirty-nine million, seven hundred twelve thousand, two hundred ninety-three".