36986891 has 2 divisors, whose sum is σ = 36986892. Its totient is φ = 36986890.

The previous prime is 36986869. The next prime is 36986903. The reversal of 36986891 is 19868963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36986891 - 2⁶ = 36986827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36986291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18493445 + 18493446.

It is an arithmetic number, because the mean of its divisors is an integer number (18493446).

Almost surely, 2^36986891 is an apocalyptic number.

36986891 is a deficient number, since it is larger than the sum of its proper divisors (1).

36986891 is an equidigital number, since it uses as much as digits as its factorization.

36986891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 36986891 is about 6081.6848816755. The cubic root of 36986891 is about 333.1828272762.

The spelling of 36986891 in words is "thirty-six million, nine hundred eighty-six thousand, eight hundred ninety-one".