39874207 has 2 divisors, whose sum is σ = 39874208. Its totient is φ = 39874206.

The previous prime is 39874169. The next prime is 39874229. The reversal of 39874207 is 70247893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39874207 - 2²³ = 31485599 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39874207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39874267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19937103 + 19937104.

It is an arithmetic number, because the mean of its divisors is an integer number (19937104).

Almost surely, 2^39874207 is an apocalyptic number.

39874207 is a deficient number, since it is larger than the sum of its proper divisors (1).

39874207 is an equidigital number, since it uses as much as digits as its factorization.

39874207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 39874207 is about 6314.6026795041. The cubic root of 39874207 is about 341.6363078584.

The spelling of 39874207 in words is "thirty-nine million, eight hundred seventy-four thousand, two hundred seven".