36996961 has 4 divisors (see below), whose sum is σ = 37152000. Its totient is φ = 36841924.

The previous prime is 36996937. The next prime is 36996977. The reversal of 36996961 is 16969963.

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 a de Polignac number, because none of the positive numbers 2^k-36996961 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36996461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77161 + ... + 77638.

It is an arithmetic number, because the mean of its divisors is an integer number (9288000).

Almost surely, 2^36996961 is an apocalyptic number.

It is an amenable number.

36996961 is a deficient number, since it is larger than the sum of its proper divisors (155039).

36996961 is a wasteful number, since it uses less digits than its factorization.

36996961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155038.

The product of its digits is 472392, while the sum is 49.

The square root of 36996961 is about 6082.5127209074. The cubic root of 36996961 is about 333.2130618317.

The spelling of 36996961 in words is "thirty-six million, nine hundred ninety-six thousand, nine hundred sixty-one".