36964991 has 4 divisors (see below), whose sum is σ = 42245712. Its totient is φ = 31684272.

The previous prime is 36964973. The next prime is 36965003. The reversal of 36964991 is 19946963.

36964991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36964991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36964901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640350 + ... + 2640363.

It is an arithmetic number, because the mean of its divisors is an integer number (10561428).

Almost surely, 2^36964991 is an apocalyptic number.

36964991 is a deficient number, since it is larger than the sum of its proper divisors (5280721).

36964991 is an equidigital number, since it uses as much as digits as its factorization.

36964991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280720.

The product of its digits is 314928, while the sum is 47.

The square root of 36964991 is about 6079.8841271853. The cubic root of 36964991 is about 333.1170549235.

The spelling of 36964991 in words is "thirty-six million, nine hundred sixty-four thousand, nine hundred ninety-one".