36816909 has 4 divisors (see below), whose sum is σ = 49089216. Its totient is φ = 24544604.

The previous prime is 36816877. The next prime is 36816943. The reversal of 36816909 is 90961863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36816909 - 2⁵ = 36816877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36816959) 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, 6136149 + ... + 6136154.

It is an arithmetic number, because the mean of its divisors is an integer number (12272304).

Almost surely, 2^36816909 is an apocalyptic number.

It is an amenable number.

36816909 is a deficient number, since it is larger than the sum of its proper divisors (12272307).

36816909 is a wasteful number, since it uses less digits than its factorization.

36816909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272306.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 36816909 is about 6067.6938782374. The cubic root of 36816909 is about 332.6716365635.

The spelling of 36816909 in words is "thirty-six million, eight hundred sixteen thousand, nine hundred nine".