5637489 has 32 divisors (see below), whose sum is σ = 9362304. Its totient is φ = 2964480.

The previous prime is 5637481. The next prime is 5637493. The reversal of 5637489 is 9847365.

It is a happy number.

It is not a de Polignac number, because 5637489 - 2³ = 5637481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5637489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5637481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6907 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (292572).

Almost surely, 2^5637489 is an apocalyptic number.

It is an amenable number.

5637489 is a deficient number, since it is larger than the sum of its proper divisors (3724815).

5637489 is a wasteful number, since it uses less digits than its factorization.

5637489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its digits is 181440, while the sum is 42.

The square root of 5637489 is about 2374.3396976844. The cubic root of 5637489 is about 177.9761887940.

The spelling of 5637489 in words is "five million, six hundred thirty-seven thousand, four hundred eighty-nine".