36349609 has 4 divisors (see below), whose sum is σ = 36373204. Its totient is φ = 36326016.

The previous prime is 36349571. The next prime is 36349613. The reversal of 36349609 is 90694363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 27793984 = 2925^2 + 5272^2 .

It is a cyclic number.

It is not a de Polignac number, because 36349609 - 2⁹ = 36349097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36349619) 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, 9312 + ... + 12625.

It is an arithmetic number, because the mean of its divisors is an integer number (9093301).

Almost surely, 2^36349609 is an apocalyptic number.

It is an amenable number.

36349609 is a deficient number, since it is larger than the sum of its proper divisors (23595).

36349609 is a wasteful number, since it uses less digits than its factorization.

36349609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23594.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 36349609 is about 6029.0636918182. The cubic root of 36349609 is about 331.2581569606.

The spelling of 36349609 in words is "thirty-six million, three hundred forty-nine thousand, six hundred nine".