39536493 has 4 divisors (see below), whose sum is σ = 52715328. Its totient is φ = 26357660.

The previous prime is 39536491. The next prime is 39536507. The reversal of 39536493 is 39463593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39536493 - 2¹ = 39536491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39536491) 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, 6589413 + ... + 6589418.

It is an arithmetic number, because the mean of its divisors is an integer number (13178832).

Almost surely, 2^39536493 is an apocalyptic number.

It is an amenable number.

39536493 is a deficient number, since it is larger than the sum of its proper divisors (13178835).

39536493 is a wasteful number, since it uses less digits than its factorization.

39536493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178834.

The product of its digits is 262440, while the sum is 42.

The square root of 39536493 is about 6287.8051019414. The cubic root of 39536493 is about 340.6690775157.

Subtracting from 39536493 its reverse (39463593), we obtain a square (72900 = 270²).

The spelling of 39536493 in words is "thirty-nine million, five hundred thirty-six thousand, four hundred ninety-three".