322878 has 8 divisors (see below), whose sum is σ = 645768. Its totient is φ = 107624.

The previous prime is 322877. The next prime is 322891. The reversal of 322878 is 878223.

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

322878 is an admirable number.

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 322878.

It is not an unprimeable number, because it can be changed into a prime (322871) 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, 26901 + ... + 26912.

It is an arithmetic number, because the mean of its divisors is an integer number (80721).

2³²²⁸⁷⁸ is an apocalyptic number.

322878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322878 is a wasteful number, since it uses less digits than its factorization.

322878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53818.

The product of its digits is 5376, while the sum is 30.

The square root of 322878 is about 568.2235475585. The cubic root of 322878 is about 68.6034807993.

The spelling of 322878 in words is "three hundred twenty-two thousand, eight hundred seventy-eight".