39714987 has 16 divisors (see below), whose sum is σ = 57881600. Its totient is φ = 24073632.

The previous prime is 39714943. The next prime is 39714991. The reversal of 39714987 is 78941793.

It is not a de Polignac number, because 39714987 - 2⁶ = 39714923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39714187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4987 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (3617600).

Almost surely, 2^39714987 is an apocalyptic number.

39714987 is a deficient number, since it is larger than the sum of its proper divisors (18166613).

39714987 is a wasteful number, since it uses less digits than its factorization.

39714987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282.

The product of its digits is 381024, while the sum is 48.

The square root of 39714987 is about 6301.9827832199. The cubic root of 39714987 is about 341.1809767952.

The spelling of 39714987 in words is "thirty-nine million, seven hundred fourteen thousand, nine hundred eighty-seven".