6489593 has 6 divisors (see below), whose sum is σ = 7133322. Its totient is φ = 5899520.

The previous prime is 6489577. The next prime is 6489599. The reversal of 6489593 is 3959846.

It can be written as a sum of positive squares in only one way, i.e., 4507129 + 1982464 = 2123^2 + 1408^2 .

It is not a de Polignac number, because 6489593 - 2⁴ = 6489577 is a prime.

It is a super-2 number, since 2×6489593² = 84229634611298, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26696 + ... + 26937.

It is an arithmetic number, because the mean of its divisors is an integer number (1188887).

Almost surely, 2^6489593 is an apocalyptic number.

It is an amenable number.

6489593 is a deficient number, since it is larger than the sum of its proper divisors (643729).

6489593 is a wasteful number, since it uses less digits than its factorization.

6489593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53655 (or 53644 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 6489593 is about 2547.4679585816. The cubic root of 6489593 is about 186.5259040128.

The spelling of 6489593 in words is "six million, four hundred eighty-nine thousand, five hundred ninety-three".