323491 has 8 divisors (see below), whose sum is σ = 380000. Its totient is φ = 269568.

The previous prime is 323473. The next prime is 323507. The reversal of 323491 is 194323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323491 - 2¹¹ = 321443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (47500).

2³²³⁴⁹¹ is an apocalyptic number.

323491 is a deficient number, since it is larger than the sum of its proper divisors (56509).

323491 is a wasteful number, since it uses less digits than its factorization.

323491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 648, while the sum is 22.

The square root of 323491 is about 568.7626921661. The cubic root of 323491 is about 68.6468690635.

The spelling of 323491 in words is "three hundred twenty-three thousand, four hundred ninety-one".