493740 has 72 divisors (see below), whose sum is σ = 1620528. Its totient is φ = 120960.

The previous prime is 493733. The next prime is 493747. The reversal of 493740 is 47394.

493740 = 91² + 92² + ... + 130².

It is an interprime number because it is at equal distance from previous prime (493733) and next prime (493747).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493747) by changing a digit.

493740 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, 2235 + ... + 2445.

2⁴⁹³⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810264).

493740 is an abundant number, since it is smaller than the sum of its proper divisors (1126788).

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

493740 is a wasteful number, since it uses less digits than its factorization.

493740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 493740 is about 702.6663504111. Note that the first 3 decimals coincide. The cubic root of 493740 is about 79.0374228508.

The spelling of 493740 in words is "four hundred ninety-three thousand, seven hundred forty".