36989593 has 2 divisors, whose sum is σ = 36989594. Its totient is φ = 36989592.

The previous prime is 36989591. The next prime is 36989597. The reversal of 36989593 is 39598963.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36869184 + 120409 = 6072^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 36989593 - 2¹ = 36989591 is a prime.

Together with 36989591, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36989593.

It is not a weakly prime, because it can be changed into another prime (36989591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18494796 + 18494797.

It is an arithmetic number, because the mean of its divisors is an integer number (18494797).

Almost surely, 2^36989593 is an apocalyptic number.

It is an amenable number.

36989593 is a deficient number, since it is larger than the sum of its proper divisors (1).

36989593 is an equidigital number, since it uses as much as digits as its factorization.

36989593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 52.

The square root of 36989593 is about 6081.9070200061. The cubic root of 36989593 is about 333.1909404036.

The spelling of 36989593 in words is "thirty-six million, nine hundred eighty-nine thousand, five hundred ninety-three".