494815 has 4 divisors (see below), whose sum is σ = 593784. Its totient is φ = 395848.

The previous prime is 494803. The next prime is 494843. The reversal of 494815 is 518494.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 494815 - 2⁵ = 494783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent 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, 49477 + ... + 49486.

It is an arithmetic number, because the mean of its divisors is an integer number (148446).

2⁴⁹⁴⁸¹⁵ is an apocalyptic number.

494815 is a deficient number, since it is larger than the sum of its proper divisors (98969).

494815 is an equidigital number, since it uses as much as digits as its factorization.

494815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98968.

The product of its digits is 5760, while the sum is 31.

The square root of 494815 is about 703.4308779120. The cubic root of 494815 is about 79.0947429250.

The spelling of 494815 in words is "four hundred ninety-four thousand, eight hundred fifteen".