39495497 has 4 divisors (see below), whose sum is σ = 39995520. Its totient is φ = 38995476.

The previous prime is 39495481. The next prime is 39495517. The reversal of 39495497 is 79459493.

39495497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79459493 = 4091 ⋅19423.

It is a cyclic number.

It is not a de Polignac number, because 39495497 - 2⁴ = 39495481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39495427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249893 + ... + 250050.

It is an arithmetic number, because the mean of its divisors is an integer number (9998880).

Almost surely, 2^39495497 is an apocalyptic number.

It is an amenable number.

39495497 is a deficient number, since it is larger than the sum of its proper divisors (500023).

39495497 is an equidigital number, since it uses as much as digits as its factorization.

39495497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500022.

The product of its digits is 1224720, while the sum is 50.

The square root of 39495497 is about 6284.5442953328. The cubic root of 39495497 is about 340.5512884519.

The spelling of 39495497 in words is "thirty-nine million, four hundred ninety-five thousand, four hundred ninety-seven".