323490 has 32 divisors (see below), whose sum is σ = 798336. Its totient is φ = 83840.

The previous prime is 323473. The next prime is 323507. The reversal of 323490 is 94323.

323490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (323473) and next prime (323507).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

323490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 1099 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2³²³⁴⁹⁰ is an apocalyptic number.

323490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 323490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399168).

323490 is an abundant number, since it is smaller than the sum of its proper divisors (474846).

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

323490 is a wasteful number, since it uses less digits than its factorization.

323490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 323490 is about 568.7618130641. The cubic root of 323490 is about 68.6467983280.

The spelling of 323490 in words is "three hundred twenty-three thousand, four hundred ninety".