493240 has 64 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 167040.

The previous prime is 493231. The next prime is 493243. The reversal of 493240 is 42394.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8331 + ... + 8389.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2⁴⁹³²⁴⁰ is an apocalyptic number.

493240 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 493240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648000).

493240 is an abundant number, since it is smaller than the sum of its proper divisors (802760).

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

493240 is a wasteful number, since it uses less digits than its factorization.

493240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 493240 is about 702.3104726544. The cubic root of 493240 is about 79.0107340005.

The spelling of 493240 in words is "four hundred ninety-three thousand, two hundred forty".