39907699 has 4 divisors (see below), whose sum is σ = 42977536. Its totient is φ = 36837864.

The previous prime is 39907697. The next prime is 39907711. The reversal of 39907699 is 99670993.

39907699 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.

It is a cyclic number.

It is not a de Polignac number, because 39907699 - 2¹ = 39907697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39907697) 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, 1534899 + ... + 1534924.

It is an arithmetic number, because the mean of its divisors is an integer number (10744384).

Almost surely, 2^39907699 is an apocalyptic number.

39907699 is a deficient number, since it is larger than the sum of its proper divisors (3069837).

39907699 is a wasteful number, since it uses less digits than its factorization.

39907699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069836.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 39907699 is about 6317.2540711926. The cubic root of 39907699 is about 341.7319325911.

The spelling of 39907699 in words is "thirty-nine million, nine hundred seven thousand, six hundred ninety-nine".