36916521 has 16 divisors (see below), whose sum is σ = 50181120. Its totient is φ = 24135440.

The previous prime is 36916513. The next prime is 36916547. The reversal of 36916521 is 12561963.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36916521 - 2³ = 36916513 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55690 + ... + 56348.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^36916521 is an apocalyptic number.

It is an amenable number.

36916521 is a deficient number, since it is larger than the sum of its proper divisors (13264599).

36916521 is a wasteful number, since it uses less digits than its factorization.

36916521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 9720, while the sum is 33.

The square root of 36916521 is about 6075.8967239412. The cubic root of 36916521 is about 332.9713923607.

The spelling of 36916521 in words is "thirty-six million, nine hundred sixteen thousand, five hundred twenty-one".