36662389 has 2 divisors, whose sum is σ = 36662390. Its totient is φ = 36662388.

The previous prime is 36662383. The next prime is 36662407. The reversal of 36662389 is 98326663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25170289 + 11492100 = 5017^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 36662389 - 2⁵ = 36662357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36662383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18331194 + 18331195.

It is an arithmetic number, because the mean of its divisors is an integer number (18331195).

Almost surely, 2^36662389 is an apocalyptic number.

It is an amenable number.

36662389 is a deficient number, since it is larger than the sum of its proper divisors (1).

36662389 is an equidigital number, since it uses as much as digits as its factorization.

36662389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 36662389 is about 6054.9474811925. The cubic root of 36662389 is about 332.2055780291.

The spelling of 36662389 in words is "thirty-six million, six hundred sixty-two thousand, three hundred eighty-nine".