492440 has 32 divisors (see below), whose sum is σ = 1194480. Its totient is φ = 181632.

The previous prime is 492431. The next prime is 492463. The reversal of 492440 is 44294.

It is a happy number.

It is a nialpdrome in base 14.

It is a zygodrome in base 2.

It is a congruent number.

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, 47 + ... + 993.

2⁴⁹²⁴⁴⁰ is an apocalyptic number.

492440 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 492440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597240).

492440 is an abundant number, since it is smaller than the sum of its proper divisors (702040).

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

492440 is a wasteful number, since it uses less digits than its factorization.

492440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 967 counting only the distinct ones).

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

The square root of 492440 is about 701.7406928489. The cubic root of 492440 is about 78.9679942989.

The spelling of 492440 in words is "four hundred ninety-two thousand, four hundred forty".