39846953 has 2 divisors, whose sum is σ = 39846954. Its totient is φ = 39846952.

The previous prime is 39846941. The next prime is 39846959. The reversal of 39846953 is 35964893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 446224 = 6277^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 39846953 - 2²⁰ = 38798377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39846898 and 39846907.

It is not a weakly prime, because it can be changed into another prime (39846959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19923476 + 19923477.

It is an arithmetic number, because the mean of its divisors is an integer number (19923477).

Almost surely, 2^39846953 is an apocalyptic number.

It is an amenable number.

39846953 is a deficient number, since it is larger than the sum of its proper divisors (1).

39846953 is an equidigital number, since it uses as much as digits as its factorization.

39846953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 39846953 is about 6312.4442967839. Note that the first 3 decimals coincide. The cubic root of 39846953 is about 341.5584540378.

The spelling of 39846953 in words is "thirty-nine million, eight hundred forty-six thousand, nine hundred fifty-three".