39317493 has 16 divisors (see below), whose sum is σ = 53150976. Its totient is φ = 25850880.

The previous prime is 39317491. The next prime is 39317501. The reversal of 39317493 is 39471393.

It is not a de Polignac number, because 39317493 - 2¹ = 39317491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39317491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111205 + ... + 111557.

It is an arithmetic number, because the mean of its divisors is an integer number (3321936).

Almost surely, 2^39317493 is an apocalyptic number.

It is an amenable number.

39317493 is a deficient number, since it is larger than the sum of its proper divisors (13833483).

39317493 is a wasteful number, since it uses less digits than its factorization.

39317493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its digits is 61236, while the sum is 39.

The square root of 39317493 is about 6270.3662572453. The cubic root of 39317493 is about 340.0389026997.

The spelling of 39317493 in words is "thirty-nine million, three hundred seventeen thousand, four hundred ninety-three".