36916621 has 16 divisors (see below), whose sum is σ = 43056640. Its totient is φ = 31000320.

The previous prime is 36916613. The next prime is 36916637. The reversal of 36916621 is 12661963.

36916621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36916621 - 2³ = 36916613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36916721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133135 + ... + 133411.

It is an arithmetic number, because the mean of its divisors is an integer number (2691040).

Almost surely, 2^36916621 is an apocalyptic number.

It is an amenable number.

36916621 is a deficient number, since it is larger than the sum of its proper divisors (6140019).

36916621 is a wasteful number, since it uses less digits than its factorization.

36916621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 11664, while the sum is 34.

The square root of 36916621 is about 6075.9049531736. The cubic root of 36916621 is about 332.9716930129.

The spelling of 36916621 in words is "thirty-six million, nine hundred sixteen thousand, six hundred twenty-one".