493290 has 96 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 108864.

The previous prime is 493279. The next prime is 493291. The reversal of 493290 is 92394.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16996 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (16380).

2⁴⁹³²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

493290 is an abundant number, since it is smaller than the sum of its proper divisors (1079190).

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

493290 is a wasteful number, since it uses less digits than its factorization.

493290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 493290 is about 702.3460685446. The cubic root of 493290 is about 79.0134036970.

The spelling of 493290 in words is "four hundred ninety-three thousand, two hundred ninety".