322849872 has 90 divisors (see below), whose sum is σ = 934017786. Its totient is φ = 104100480.

The previous prime is 322849847. The next prime is 322849883. The reversal of 322849872 is 278948223.

It can be written as a sum of positive squares in only one way, i.e., 255872016 + 66977856 = 15996^2 + 8184^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 137218 + ... + 139550.

Almost surely, 2^322849872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322849872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467008893).

322849872 is an abundant number, since it is smaller than the sum of its proper divisors (611167914).

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

322849872 is a wasteful number, since it uses less digits than its factorization.

322849872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2369 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 322849872 is about 17968.0235974912. The cubic root of 322849872 is about 686.0148857647.

The spelling of 322849872 in words is "three hundred twenty-two million, eight hundred forty-nine thousand, eight hundred seventy-two".