322406 has 8 divisors (see below), whose sum is σ = 552720. Its totient is φ = 138168.

The previous prime is 322403. The next prime is 322409. The reversal of 322406 is 604223.

322406 = T₃₀₀ + T₃₀₁ + ... + T₃₀₆.

It is an interprime number because it is at equal distance from previous prime (322403) and next prime (322409).

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322406.

It is not an unprimeable number, because it can be changed into a prime (322403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11501 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (69090).

2³²²⁴⁰⁶ is an apocalyptic number.

322406 is a deficient number, since it is larger than the sum of its proper divisors (230314).

322406 is a wasteful number, since it uses less digits than its factorization.

322406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23038.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 322406 is about 567.8080661632. The cubic root of 322406 is about 68.5700351073.

Adding to 322406 its reverse (604223), we get a palindrome (926629).

The spelling of 322406 in words is "three hundred twenty-two thousand, four hundred six".