36640506 has 16 divisors (see below), whose sum is σ = 83749824. Its totient is φ = 10468704.

The previous prime is 36640469. The next prime is 36640507. The reversal of 36640506 is 60504663.

It is not an unprimeable number, because it can be changed into a prime (36640507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436155 + ... + 436238.

It is an arithmetic number, because the mean of its divisors is an integer number (5234364).

Almost surely, 2^36640506 is an apocalyptic number.

36640506 is an abundant number, since it is smaller than the sum of its proper divisors (47109318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36640506 is a wasteful number, since it uses less digits than its factorization.

36640506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872405.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 36640506 is about 6053.1401768008. The cubic root of 36640506 is about 332.1394693938.

The spelling of 36640506 in words is "thirty-six million, six hundred forty thousand, five hundred six".