39946007 has 2 divisors, whose sum is σ = 39946008. Its totient is φ = 39946006.

The previous prime is 39946001. The next prime is 39946043. The reversal of 39946007 is 70064993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39946007 - 2⁶ = 39945943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39946001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19973003 + 19973004.

It is an arithmetic number, because the mean of its divisors is an integer number (19973004).

Almost surely, 2^39946007 is an apocalyptic number.

39946007 is a deficient number, since it is larger than the sum of its proper divisors (1).

39946007 is an equidigital number, since it uses as much as digits as its factorization.

39946007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 39946007 is about 6320.2853574819. The cubic root of 39946007 is about 341.8412421618.

It can be divided in two parts, 3994 and 6007, that added together give a palindrome (10001).

The spelling of 39946007 in words is "thirty-nine million, nine hundred forty-six thousand, seven".