39636049 has 2 divisors, whose sum is σ = 39636050. Its totient is φ = 39636048.

The previous prime is 39636029. The next prime is 39636089. The reversal of 39636049 is 94063693.

It is an a-pointer prime, because the next prime (39636089) can be obtained adding 39636049 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 13010449 = 5160^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 39636049 - 2²⁵ = 6081617 is a prime.

It is not a weakly prime, because it can be changed into another prime (39636019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19818024 + 19818025.

It is an arithmetic number, because the mean of its divisors is an integer number (19818025).

Almost surely, 2^39636049 is an apocalyptic number.

It is an amenable number.

39636049 is a deficient number, since it is larger than the sum of its proper divisors (1).

39636049 is an equidigital number, since it uses as much as digits as its factorization.

39636049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 39636049 is about 6295.7167185317. The cubic root of 39636049 is about 340.9547816879.

The spelling of 39636049 in words is "thirty-nine million, six hundred thirty-six thousand, forty-nine".