499289 has 4 divisors (see below), whose sum is σ = 570624. Its totient is φ = 427956.

The previous prime is 499283. The next prime is 499309. The reversal of 499289 is 982994.

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, and also an emirpimes, since its reverse is a distinct semiprime: 982994 = 2 ⋅491497.

It is a cyclic number.

It is not a de Polignac number, because 499289 - 2⁸ = 499033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499283) 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, 35657 + ... + 35670.

It is an arithmetic number, because the mean of its divisors is an integer number (142656).

2⁴⁹⁹²⁸⁹ is an apocalyptic number.

It is an amenable number.

499289 is a deficient number, since it is larger than the sum of its proper divisors (71335).

499289 is an equidigital number, since it uses as much as digits as its factorization.

499289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71334.

The product of its digits is 46656, while the sum is 41.

The square root of 499289 is about 706.6038494093. The cubic root of 499289 is about 79.3324133468.

The spelling of 499289 in words is "four hundred ninety-nine thousand, two hundred eighty-nine".