39952967 has 2 divisors, whose sum is σ = 39952968. Its totient is φ = 39952966.

The previous prime is 39952931. The next prime is 39953021. The reversal of 39952967 is 76925993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39952967 - 2²⁴ = 23175751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39352967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19976483 + 19976484.

It is an arithmetic number, because the mean of its divisors is an integer number (19976484).

Almost surely, 2^39952967 is an apocalyptic number.

39952967 is a deficient number, since it is larger than the sum of its proper divisors (1).

39952967 is an equidigital number, since it uses as much as digits as its factorization.

39952967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 50.

The square root of 39952967 is about 6320.8359415508. The cubic root of 39952967 is about 341.8610945998.

The spelling of 39952967 in words is "thirty-nine million, nine hundred fifty-two thousand, nine hundred sixty-seven".