36384889 has 2 divisors, whose sum is σ = 36384890. Its totient is φ = 36384888.

The previous prime is 36384883. The next prime is 36384893. The reversal of 36384889 is 98848363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 8643600 = 5267^2 + 2940^2 .

It is an emirp because it is prime and its reverse (98848363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36384889 - 2⁹ = 36384377 is a prime.

It is not a weakly prime, because it can be changed into another prime (36384883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18192444 + 18192445.

It is an arithmetic number, because the mean of its divisors is an integer number (18192445).

Almost surely, 2^36384889 is an apocalyptic number.

It is an amenable number.

36384889 is a deficient number, since it is larger than the sum of its proper divisors (1).

36384889 is an equidigital number, since it uses as much as digits as its factorization.

36384889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The square root of 36384889 is about 6031.9888096713. The cubic root of 36384889 is about 331.3652925362.

It can be divided in two parts, 36384 and 889, that added together give a palindrome (37273).

The spelling of 36384889 in words is "thirty-six million, three hundred eighty-four thousand, eight hundred eighty-nine".