36800649 has 36 divisors (see below), whose sum is σ = 56684160. Its totient is φ = 23882040.

The previous prime is 36800641. The next prime is 36800653. The reversal of 36800649 is 94600863.

36800649 is a `hidden beast` number, since 3 + 6 + 8 + 0 + 0 + 649 = 666.

It is not a de Polignac number, because 36800649 - 2³ = 36800641 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (36800641) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 465792 + ... + 465870.

It is an arithmetic number, because the mean of its divisors is an integer number (1574560).

Almost surely, 2^36800649 is an apocalyptic number.

It is an amenable number.

36800649 is a deficient number, since it is larger than the sum of its proper divisors (19883511).

36800649 is an frugal number, since it uses more digits than its factorization.

36800649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 36800649 is about 6066.3538472463. The cubic root of 36800649 is about 332.6226551084.

The spelling of 36800649 in words is "thirty-six million, eight hundred thousand, six hundred forty-nine".