36949561 has 8 divisors (see below), whose sum is σ = 40686624. Its totient is φ = 33275520.

The previous prime is 36949559. The next prime is 36949573. The reversal of 36949561 is 16594963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36949561 - 2¹ = 36949559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36949501) 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, 14520 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (5085828).

Almost surely, 2^36949561 is an apocalyptic number.

It is an amenable number.

36949561 is a deficient number, since it is larger than the sum of its proper divisors (3737063).

36949561 is a wasteful number, since it uses less digits than its factorization.

36949561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31511.

The product of its digits is 174960, while the sum is 43.

The square root of 36949561 is about 6078.6150560798. The cubic root of 36949561 is about 333.0706983452.

The spelling of 36949561 in words is "thirty-six million, nine hundred forty-nine thousand, five hundred sixty-one".