39706479 has 6 divisors (see below), whose sum is σ = 57353816. Its totient is φ = 26470980.

The previous prime is 39706451. The next prime is 39706489. The reversal of 39706479 is 97460793.

It is not a de Polignac number, because 39706479 - 2¹³ = 39698287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39706489) 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 5 ways as a sum of consecutive naturals, for example, 2205907 + ... + 2205924.

Almost surely, 2^39706479 is an apocalyptic number.

39706479 is a deficient number, since it is larger than the sum of its proper divisors (17647337).

39706479 is a wasteful number, since it uses less digits than its factorization.

39706479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411837 (or 4411834 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 39706479 is about 6301.3077214178. The cubic root of 39706479 is about 341.1566117273.

The spelling of 39706479 in words is "thirty-nine million, seven hundred six thousand, four hundred seventy-nine".