36859649 has 2 divisors, whose sum is σ = 36859650. Its totient is φ = 36859648.

The previous prime is 36859637. The next prime is 36859657. The reversal of 36859649 is 94695863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23668225 + 13191424 = 4865^2 + 3632^2 .

It is a cyclic number.

It is not a de Polignac number, because 36859649 - 2⁸ = 36859393 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 = 36859597 and 36859606.

It is not a weakly prime, because it can be changed into another prime (36859699) 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, 18429824 + 18429825.

It is an arithmetic number, because the mean of its divisors is an integer number (18429825).

Almost surely, 2^36859649 is an apocalyptic number.

It is an amenable number.

36859649 is a deficient number, since it is larger than the sum of its proper divisors (1).

36859649 is an equidigital number, since it uses as much as digits as its factorization.

36859649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The square root of 36859649 is about 6071.2147878328. The cubic root of 36859649 is about 332.8003173584.

The spelling of 36859649 in words is "thirty-six million, eight hundred fifty-nine thousand, six hundred forty-nine".