36442589 has 18 divisors (see below), whose sum is σ = 40473630. Its totient is φ = 32769072.

The previous prime is 36442583. The next prime is 36442591. The reversal of 36442589 is 98524463.

It can be written as a sum of positive squares in only one way, i.e., 31416025 + 5026564 = 5605^2 + 2242^2 .

It is not a de Polignac number, because 36442589 - 2²⁰ = 35394013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36442583) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 617642 + ... + 617700.

It is an arithmetic number, because the mean of its divisors is an integer number (2248535).

Almost surely, 2^36442589 is an apocalyptic number.

It is an amenable number.

36442589 is a deficient number, since it is larger than the sum of its proper divisors (4031041).

36442589 is an equidigital number, since it uses as much as digits as its factorization.

36442589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 107 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 36442589 is about 6036.7697487978. The cubic root of 36442589 is about 331.5403622784.

The spelling of 36442589 in words is "thirty-six million, four hundred forty-two thousand, five hundred eighty-nine".