492240 has 80 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 112128.

The previous prime is 492227. The next prime is 492251. The reversal of 492240 is 42294.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

492240 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534 + ... + 1826.

2⁴⁹²²⁴⁰ is an apocalyptic number.

492240 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 492240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874944).

492240 is an abundant number, since it is smaller than the sum of its proper divisors (1257648).

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

492240 is a wasteful number, since it uses less digits than its factorization.

492240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 492240 is about 701.5981755963. The cubic root of 492240 is about 78.9573021418.

The spelling of 492240 in words is "four hundred ninety-two thousand, two hundred forty".