578322 has 36 divisors (see below), whose sum is σ = 1337310. Its totient is φ = 180576.

The previous prime is 578317. The next prime is 578327. The reversal of 578322 is 223875.

It is an interprime number because it is at equal distance from previous prime (578317) and next prime (578327).

It can be written as a sum of positive squares in only one way, i.e., 549081 + 29241 = 741^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (578327) by changing a digit.

578322 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6454 + ... + 6542.

2⁵⁷⁸³²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668655).

578322 is an abundant number, since it is smaller than the sum of its proper divisors (758988).

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

578322 is a wasteful number, since it uses less digits than its factorization.

578322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 113 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 578322 is about 760.4748516552. The cubic root of 578322 is about 83.3150075258.

It can be divided in two parts, 578 and 322, that added together give a square (900 = 30²).

The spelling of 578322 in words is "five hundred seventy-eight thousand, three hundred twenty-two".