494078 has 16 divisors (see below), whose sum is σ = 825216. Its totient is φ = 220320.

The previous prime is 494077. The next prime is 494083. The reversal of 494078 is 870494.

It is a happy number.

It is a super-2 number, since 2×494078² = 488226140168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494078.

It is not an unprimeable number, because it can be changed into a prime (494077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 500 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (51576).

2⁴⁹⁴⁰⁷⁸ is an apocalyptic number.

494078 is a deficient number, since it is larger than the sum of its proper divisors (331138).

494078 is a wasteful number, since it uses less digits than its factorization.

494078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 494078 is about 702.9068217054. The cubic root of 494078 is about 79.0554543082.

The spelling of 494078 in words is "four hundred ninety-four thousand, seventy-eight".