44586989 has 2 divisors, whose sum is σ = 44586990. Its totient is φ = 44586988.

The previous prime is 44586979. The next prime is 44587009. The reversal of 44586989 is 98968544.

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., 28249225 + 16337764 = 5315^2 + 4042^2 .

It is a cyclic number.

It is not a de Polignac number, because 44586989 - 2¹² = 44582893 is a prime.

It is a super-2 number, since 2×44586989² = 3975999176172242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44586989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44586929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22293494 + 22293495.

It is an arithmetic number, because the mean of its divisors is an integer number (22293495).

Almost surely, 2^44586989 is an apocalyptic number.

It is an amenable number.

44586989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44586989 is an equidigital number, since it uses as much as digits as its factorization.

44586989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 53.

The square root of 44586989 is about 6677.3489499951. The cubic root of 44586989 is about 354.5978094123.

The spelling of 44586989 in words is "forty-four million, five hundred eighty-six thousand, nine hundred eighty-nine".