494978 has 16 divisors (see below), whose sum is σ = 820800. Its totient is φ = 222000.

The previous prime is 494959. The next prime is 494987. The reversal of 494978 is 879494.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2⁴⁹⁴⁹⁷⁸ is an apocalyptic number.

494978 is a deficient number, since it is larger than the sum of its proper divisors (325822).

494978 is a wasteful number, since it uses less digits than its factorization.

494978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its digits is 72576, while the sum is 41.

The square root of 494978 is about 703.5467290806. The cubic root of 494978 is about 79.1034269973.

The spelling of 494978 in words is "four hundred ninety-four thousand, nine hundred seventy-eight".