322886940 has 96 divisors (see below), whose sum is σ = 926069760. Its totient is φ = 84032256.

The previous prime is 322886939. The next prime is 322886953. The reversal of 322886940 is 49688223.

It is a junction number, because it is equal to n+sod(n) for n = 322886892 and 322886901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697149 + ... + 697611.

It is an arithmetic number, because the mean of its divisors is an integer number (9646560).

Almost surely, 2^322886940 is an apocalyptic number.

322886940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322886940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463034880).

322886940 is an abundant number, since it is smaller than the sum of its proper divisors (603182820).

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

322886940 is a wasteful number, since it uses less digits than its factorization.

322886940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 322886940 is about 17969.0550669756. The cubic root of 322886940 is about 686.0411396873.

The spelling of 322886940 in words is "three hundred twenty-two million, eight hundred eighty-six thousand, nine hundred forty".