494555 has 4 divisors (see below), whose sum is σ = 593472. Its totient is φ = 395640.

The previous prime is 494539. The next prime is 494561. The reversal of 494555 is 555494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555494 = 2 ⋅277747.

It is not a de Polignac number, because 494555 - 2⁴ = 494539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49451 + ... + 49460.

It is an arithmetic number, because the mean of its divisors is an integer number (148368).

2⁴⁹⁴⁵⁵⁵ is an apocalyptic number.

494555 is a deficient number, since it is larger than the sum of its proper divisors (98917).

494555 is an equidigital number, since it uses as much as digits as its factorization.

494555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98916.

The product of its digits is 18000, while the sum is 32.

The square root of 494555 is about 703.2460451364. The cubic root of 494555 is about 79.0808870825.

It can be divided in two parts, 494 and 555, that multiplied together give a triangular number (274170 = T₇₄₀).

The spelling of 494555 in words is "four hundred ninety-four thousand, five hundred fifty-five".