322678 has 4 divisors (see below), whose sum is σ = 484020. Its totient is φ = 161338.

The previous prime is 322669. The next prime is 322709. The reversal of 322678 is 876223.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

322678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 80668 + ... + 80671.

It is an arithmetic number, because the mean of its divisors is an integer number (121005).

2³²²⁶⁷⁸ is an apocalyptic number.

322678 is a deficient number, since it is larger than the sum of its proper divisors (161342).

322678 is a wasteful number, since it uses less digits than its factorization.

322678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161341.

The product of its digits is 4032, while the sum is 28.

The square root of 322678 is about 568.0475332224. The cubic root of 322678 is about 68.5893128781.

It can be divided in two parts, 322 and 678, that added together give a cube (1000 = 10³).

The spelling of 322678 in words is "three hundred twenty-two thousand, six hundred seventy-eight".