494478 has 16 divisors (see below), whose sum is σ = 1098960. Its totient is φ = 164808.

The previous prime is 494471. The next prime is 494497. The reversal of 494478 is 874494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4525 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (68685).

2⁴⁹⁴⁴⁷⁸ is an apocalyptic number.

494478 is an abundant number, since it is smaller than the sum of its proper divisors (604482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494478 is a wasteful number, since it uses less digits than its factorization.

494478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168 (or 9162 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 494478 is about 703.1912968745. The cubic root of 494478 is about 79.0767826894.

It can be divided in two parts, 49447 and 8, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 494478 in words is "four hundred ninety-four thousand, four hundred seventy-eight".