36309904 has 20 divisors (see below), whose sum is σ = 71050140. Its totient is φ = 17974400.

The previous prime is 36309899. The next prime is 36309907. The reversal of 36309904 is 40990363.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 4410000 = 5648^2 + 2100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36309904.

It is not an unprimeable number, because it can be changed into a prime (36309907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9619 + ... + 12850.

It is an arithmetic number, because the mean of its divisors is an integer number (3552507).

Almost surely, 2^36309904 is an apocalyptic number.

It is an amenable number.

36309904 is a deficient number, since it is larger than the sum of its proper divisors (34740236).

36309904 is a wasteful number, since it uses less digits than its factorization.

36309904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22578 (or 22572 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 36309904 is about 6025.7699922914. The cubic root of 36309904 is about 331.1375009454.

The spelling of 36309904 in words is "thirty-six million, three hundred nine thousand, nine hundred four".