39656063 has 2 divisors, whose sum is σ = 39656064. Its totient is φ = 39656062.

The previous prime is 39656051. The next prime is 39656077. The reversal of 39656063 is 36065693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39656063 - 2⁴ = 39656047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39656663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19828031 + 19828032.

It is an arithmetic number, because the mean of its divisors is an integer number (19828032).

Almost surely, 2^39656063 is an apocalyptic number.

39656063 is a deficient number, since it is larger than the sum of its proper divisors (1).

39656063 is an equidigital number, since it uses as much as digits as its factorization.

39656063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 39656063 is about 6297.3060113036. The cubic root of 39656063 is about 341.0121597645.

The spelling of 39656063 in words is "thirty-nine million, six hundred fifty-six thousand, sixty-three".