492318 has 24 divisors (see below), whose sum is σ = 1107288. Its totient is φ = 163944.

The previous prime is 492299. The next prime is 492319. The reversal of 492318 is 813294.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 492291 and 492300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21 + ... + 992.

It is an arithmetic number, because the mean of its divisors is an integer number (46137).

2⁴⁹²³¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553644).

492318 is an abundant number, since it is smaller than the sum of its proper divisors (614970).

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

492318 is a wasteful number, since it uses less digits than its factorization.

492318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1018 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 492318 is about 701.6537607681. The cubic root of 492318 is about 78.9614724275.

The spelling of 492318 in words is "four hundred ninety-two thousand, three hundred eighteen".