494172 has 72 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 134784.

The previous prime is 494167. The next prime is 494191. The reversal of 494172 is 271494.

It is a happy number.

494172 is a `hidden beast` number, since 494 + 172 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

494172 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 23 ways as a sum of consecutive naturals, for example, 9298 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2⁴⁹⁴¹⁷² is an apocalyptic number.

494172 is a gapful number since it is divisible by the number (42) 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 494172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746928).

494172 is an abundant number, since it is smaller than the sum of its proper divisors (999684).

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

494172 is a wasteful number, since it uses less digits than its factorization.

494172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 494172 is about 702.9736837180. The cubic root of 494172 is about 79.0604675122.

It can be divided in two parts, 494 and 172, that added together give a palindrome (666).

The spelling of 494172 in words is "four hundred ninety-four thousand, one hundred seventy-two".