36397939 has 8 divisors (see below), whose sum is σ = 38395280. Its totient is φ = 34408800.

The previous prime is 36397931. The next prime is 36397943. The reversal of 36397939 is 93979363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36397939 - 2³ = 36397931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36397892 and 36397901.

It is not an unprimeable number, because it can be changed into a prime (36397931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8509 + ... + 12049.

It is an arithmetic number, because the mean of its divisors is an integer number (4799410).

Almost surely, 2^36397939 is an apocalyptic number.

36397939 is a deficient number, since it is larger than the sum of its proper divisors (1997341).

36397939 is a wasteful number, since it uses less digits than its factorization.

36397939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its digits is 826686, while the sum is 49.

The square root of 36397939 is about 6033.0704454697. The cubic root of 36397939 is about 331.4049042202.

The spelling of 36397939 in words is "thirty-six million, three hundred ninety-seven thousand, nine hundred thirty-nine".