494859 has 4 divisors (see below), whose sum is σ = 659816. Its totient is φ = 329904.

The previous prime is 494849. The next prime is 494873. The reversal of 494859 is 958494.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 494859 - 2⁴ = 494843 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494849) 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, 82474 + ... + 82479.

It is an arithmetic number, because the mean of its divisors is an integer number (164954).

2⁴⁹⁴⁸⁵⁹ is an apocalyptic number.

494859 is a deficient number, since it is larger than the sum of its proper divisors (164957).

494859 is a wasteful number, since it uses less digits than its factorization.

494859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164956.

The product of its digits is 51840, while the sum is 39.

The square root of 494859 is about 703.4621525000. The cubic root of 494859 is about 79.0970872797.

It can be divided in two parts, 49485 and 9, that added together give a palindrome (49494).

The spelling of 494859 in words is "four hundred ninety-four thousand, eight hundred fifty-nine".