499589 has 4 divisors (see below), whose sum is σ = 502560. Its totient is φ = 496620.

The previous prime is 499571. The next prime is 499591. The reversal of 499589 is 985994.

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 a de Polignac number, because none of the positive numbers 2^k-499589 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 (499519) 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, 1217 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (125640).

2⁴⁹⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

499589 is a deficient number, since it is larger than the sum of its proper divisors (2971).

499589 is a wasteful number, since it uses less digits than its factorization.

499589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its digits is 116640, while the sum is 44.

The square root of 499589 is about 706.8161005523. The cubic root of 499589 is about 79.3482992425.

The spelling of 499589 in words is "four hundred ninety-nine thousand, five hundred eighty-nine".