39107693 has 6 divisors (see below), whose sum is σ = 39892014. Its totient is φ = 38325144.

The previous prime is 39107687. The next prime is 39107707. The reversal of 39107693 is 39670193.

It can be written as a sum of positive squares in only one way, i.e., 36156169 + 2951524 = 6013^2 + 1718^2 .

It is not a de Polignac number, because 39107693 - 2¹⁸ = 38845549 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 (39107623) 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, 45098 + ... + 45956.

It is an arithmetic number, because the mean of its divisors is an integer number (6648669).

Almost surely, 2^39107693 is an apocalyptic number.

It is an amenable number.

39107693 is a deficient number, since it is larger than the sum of its proper divisors (784321).

39107693 is an frugal number, since it uses more digits than its factorization.

39107693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 39107693 is about 6253.6143948920. The cubic root of 39107693 is about 339.4330024982.

Subtracting 39107693 from its reverse (39670193), we obtain a square (562500 = 750²).

The spelling of 39107693 in words is "thirty-nine million, one hundred seven thousand, six hundred ninety-three".