36390889 has 2 divisors, whose sum is σ = 36390890. Its totient is φ = 36390888.

The previous prime is 36390877. The next prime is 36390901. The reversal of 36390889 is 98809363.

It is a balanced prime because it is at equal distance from previous prime (36390877) and next prime (36390901).

It can be written as a sum of positive squares in only one way, i.e., 30437289 + 5953600 = 5517^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 36390889 - 2¹¹ = 36388841 is a prime.

It is not a weakly prime, because it can be changed into another prime (36390089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18195444 + 18195445.

It is an arithmetic number, because the mean of its divisors is an integer number (18195445).

Almost surely, 2^36390889 is an apocalyptic number.

It is an amenable number.

36390889 is a deficient number, since it is larger than the sum of its proper divisors (1).

36390889 is an equidigital number, since it uses as much as digits as its factorization.

36390889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 36390889 is about 6032.4861375721. The cubic root of 36390889 is about 331.3835059808.

The spelling of 36390889 in words is "thirty-six million, three hundred ninety thousand, eight hundred eighty-nine".