39959699 has 8 divisors (see below), whose sum is σ = 43093680. Its totient is φ = 36834336.

The previous prime is 39959693. The next prime is 39959779. The reversal of 39959699 is 99695993.

39959699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 39959699 - 2⁸ = 39959443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39959693) 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 7 ways as a sum of consecutive naturals, for example, 10097 + ... + 13485.

It is an arithmetic number, because the mean of its divisors is an integer number (5386710).

Almost surely, 2^39959699 is an apocalyptic number.

39959699 is a deficient number, since it is larger than the sum of its proper divisors (3133981).

39959699 is a wasteful number, since it uses less digits than its factorization.

39959699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its digits is 5314410, while the sum is 59.

The square root of 39959699 is about 6321.3684436204. The cubic root of 39959699 is about 341.8802945058.

The spelling of 39959699 in words is "thirty-nine million, nine hundred fifty-nine thousand, six hundred ninety-nine".