322889 has 8 divisors (see below), whose sum is σ = 372480. Its totient is φ = 274176.

The previous prime is 322877. The next prime is 322891. The reversal of 322889 is 988223.

It is a happy number.

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

It is not a de Polignac number, because 322889 - 2⁸ = 322633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322849) 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, 1232 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (46560).

2³²²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

322889 is a deficient number, since it is larger than the sum of its proper divisors (49591).

322889 is a wasteful number, since it uses less digits than its factorization.

322889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 6912, while the sum is 32.

The square root of 322889 is about 568.2332267652. The cubic root of 322889 is about 68.6042598652.

The spelling of 322889 in words is "three hundred twenty-two thousand, eight hundred eighty-nine".