4593989 has 4 divisors (see below), whose sum is σ = 4662624. Its totient is φ = 4525356.

The previous prime is 4593973. The next prime is 4594001. The reversal of 4593989 is 9893954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4593989 - 2⁴ = 4593973 is a prime.

It is a super-2 number, since 2×4593989² = 42209469864242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4593959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34217 + ... + 34350.

It is an arithmetic number, because the mean of its divisors is an integer number (1165656).

Almost surely, 2^4593989 is an apocalyptic number.

It is an amenable number.

4593989 is a deficient number, since it is larger than the sum of its proper divisors (68635).

4593989 is an equidigital number, since it uses as much as digits as its factorization.

4593989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68634.

The product of its digits is 349920, while the sum is 47.

The square root of 4593989 is about 2143.3592792623. The cubic root of 4593989 is about 166.2378768931.

The spelling of 4593989 in words is "four million, five hundred ninety-three thousand, nine hundred eighty-nine".