323649 has 8 divisors (see below), whose sum is σ = 479520. Its totient is φ = 215748.

The previous prime is 323647. The next prime is 323651. The reversal of 323649 is 946323.

It is an interprime number because it is at equal distance from previous prime (323647) and next prime (323651).

It is not a de Polignac number, because 323649 - 2¹ = 323647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11987 = 323649 / (3 + 2 + 3 + 6 + 4 + 9).

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323649.

It is not an unprimeable number, because it can be changed into a prime (323641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967 + ... + 6020.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2³²³⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

323649 is a deficient number, since it is larger than the sum of its proper divisors (155871).

323649 is a wasteful number, since it uses less digits than its factorization.

323649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996 (or 11990 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 323649 is about 568.9015732093. The cubic root of 323649 is about 68.6580434496.

The spelling of 323649 in words is "three hundred twenty-three thousand, six hundred forty-nine".