39696705 has 24 divisors (see below), whose sum is σ = 69114240. Its totient is φ = 21077280.

The previous prime is 39696703. The next prime is 39696707. The reversal of 39696705 is 50769693.

39696705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39696703) and next prime (39696707).

It is not a de Polignac number, because 39696705 - 2¹ = 39696703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (39696703) 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 23 ways as a sum of consecutive naturals, for example, 8910 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (2879760).

Almost surely, 2^39696705 is an apocalyptic number.

It is an amenable number.

39696705 is a deficient number, since it is larger than the sum of its proper divisors (29417535).

39696705 is a wasteful number, since it uses less digits than its factorization.

39696705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 39696705 is about 6300.5321203848. The cubic root of 39696705 is about 341.1286168136.

It can be divided in two parts, 39696 and 705, that added together give a square (40401 = 201²).

The spelling of 39696705 in words is "thirty-nine million, six hundred ninety-six thousand, seven hundred five".