39714639 has 8 divisors (see below), whose sum is σ = 53086512. Its totient is φ = 26409600.

The previous prime is 39714607. The next prime is 39714667. The reversal of 39714639 is 93641793.

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

It is not a de Polignac number, because 39714639 - 2⁵ = 39714607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39714639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39714679) 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 7 ways as a sum of consecutive naturals, for example, 15304 + ... + 17709.

It is an arithmetic number, because the mean of its divisors is an integer number (6635814).

Almost surely, 2^39714639 is an apocalyptic number.

39714639 is a deficient number, since it is larger than the sum of its proper divisors (13371873).

39714639 is a wasteful number, since it uses less digits than its factorization.

39714639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33417.

The product of its digits is 122472, while the sum is 42.

The square root of 39714639 is about 6301.9551728015. The cubic root of 39714639 is about 341.1799802669.

The spelling of 39714639 in words is "thirty-nine million, seven hundred fourteen thousand, six hundred thirty-nine".