494440 has 32 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 192832.

The previous prime is 494413. The next prime is 494441. The reversal of 494440 is 44494.

494440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (494441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2⁴⁹⁴⁴⁴⁰ is an apocalyptic number.

494440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570240).

494440 is an abundant number, since it is smaller than the sum of its proper divisors (646040).

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

494440 is a wasteful number, since it uses less digits than its factorization.

494440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 494440 is about 703.1642766808. The cubic root of 494440 is about 79.0747569878.

It can be divided in two parts, 49 and 4440, that added together give a square (4489 = 67²).

The spelling of 494440 in words is "four hundred ninety-four thousand, four hundred forty".