494240 has 24 divisors (see below), whose sum is σ = 1168020. Its totient is φ = 197632.

The previous prime is 494237. The next prime is 494251. The reversal of 494240 is 42494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 15376 = 692^2 + 124^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 1704.

2⁴⁹⁴²⁴⁰ is an apocalyptic number.

494240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494240 is an abundant number, since it is smaller than the sum of its proper divisors (673780).

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

494240 is a wasteful number, since it uses less digits than its factorization.

494240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3096 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 494240 is about 703.0220480184. The cubic root of 494240 is about 79.0640936891.

The spelling of 494240 in words is "four hundred ninety-four thousand, two hundred forty".