39366997 has 4 divisors (see below), whose sum is σ = 39393900. Its totient is φ = 39340096.

The previous prime is 39366991. The next prime is 39367033. The reversal of 39366997 is 79966393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 30569841 = 2966^2 + 5529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39366997 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 (39366991) 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, 11122 + ... + 14227.

It is an arithmetic number, because the mean of its divisors is an integer number (9848475).

Almost surely, 2^39366997 is an apocalyptic number.

It is an amenable number.

39366997 is a deficient number, since it is larger than the sum of its proper divisors (26903).

39366997 is a wasteful number, since it uses less digits than its factorization.

39366997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26902.

The product of its digits is 1653372, while the sum is 52.

The square root of 39366997 is about 6274.3124722953. The cubic root of 39366997 is about 340.1815552839.

The spelling of 39366997 in words is "thirty-nine million, three hundred sixty-six thousand, nine hundred ninety-seven".