494869 has 4 divisors (see below), whose sum is σ = 497260. Its totient is φ = 492480.

The previous prime is 494849. The next prime is 494873. The reversal of 494869 is 968494.

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

It can be written as a sum of positive squares in 2 ways, for example, as 396900 + 97969 = 630^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 494869 - 2¹³ = 486677 is a prime.

It is a super-2 number, since 2×494869² = 489790654322, 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 (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, 852 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (124315).

2⁴⁹⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

494869 is a deficient number, since it is larger than the sum of its proper divisors (2391).

494869 is a wasteful number, since it uses less digits than its factorization.

494869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its digits is 62208, while the sum is 40.

The square root of 494869 is about 703.4692601671. The cubic root of 494869 is about 79.0976200682.

The spelling of 494869 in words is "four hundred ninety-four thousand, eight hundred sixty-nine".