39680407 has 8 divisors (see below), whose sum is σ = 42854336. Its totient is φ = 36523872.

The previous prime is 39680393. The next prime is 39680413. The reversal of 39680407 is 70408693.

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 39680407 - 2¹⁵ = 39647639 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 (39680437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (5356792).

Almost surely, 2^39680407 is an apocalyptic number.

39680407 is a deficient number, since it is larger than the sum of its proper divisors (3173929).

39680407 is a wasteful number, since it uses less digits than its factorization.

39680407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 39680407 is about 6299.2386047839. The cubic root of 39680407 is about 341.0819254888.

The spelling of 39680407 in words is "thirty-nine million, six hundred eighty thousand, four hundred seven".