39450959 has 2 divisors, whose sum is σ = 39450960. Its totient is φ = 39450958.

The previous prime is 39450953. The next prime is 39450989. The reversal of 39450959 is 95905493.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39450959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39450953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19725479 + 19725480.

It is an arithmetic number, because the mean of its divisors is an integer number (19725480).

Almost surely, 2^39450959 is an apocalyptic number.

39450959 is a deficient number, since it is larger than the sum of its proper divisors (1).

39450959 is an equidigital number, since it uses as much as digits as its factorization.

39450959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 39450959 is about 6280.9998407897. Note that the first 3 decimals coincide. The cubic root of 39450959 is about 340.4232301556.

The spelling of 39450959 in words is "thirty-nine million, four hundred fifty thousand, nine hundred fifty-nine".