494458 has 4 divisors (see below), whose sum is σ = 741690. Its totient is φ = 247228.

The previous prime is 494443. The next prime is 494471. The reversal of 494458 is 854494.

494458 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854494 = 2 ⋅427247.

It can be written as a sum of positive squares in only one way, i.e., 485809 + 8649 = 697^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123613 + ... + 123616.

2⁴⁹⁴⁴⁵⁸ is an apocalyptic number.

494458 is a deficient number, since it is larger than the sum of its proper divisors (247232).

494458 is a wasteful number, since it uses less digits than its factorization.

494458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247231.

The product of its digits is 23040, while the sum is 34.

The square root of 494458 is about 703.1770758493. The cubic root of 494458 is about 79.0757165436.

The spelling of 494458 in words is "four hundred ninety-four thousand, four hundred fifty-eight".