326649 has 4 divisors (see below), whose sum is σ = 435536. Its totient is φ = 217764.

The previous prime is 326633. The next prime is 326657. The reversal of 326649 is 946623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 326649 - 2⁴ = 326633 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54439 + ... + 54444.

It is an arithmetic number, because the mean of its divisors is an integer number (108884).

2³²⁶⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

326649 is a deficient number, since it is larger than the sum of its proper divisors (108887).

326649 is a wasteful number, since it uses less digits than its factorization.

326649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108886.

The product of its digits is 7776, while the sum is 30.

The square root of 326649 is about 571.5321513266. The cubic root of 326649 is about 68.8695287062.

The spelling of 326649 in words is "three hundred twenty-six thousand, six hundred forty-nine".