1328922 has 48 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 370656.

The previous prime is 1328911. The next prime is 1328923. The reversal of 1328922 is 2298231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6579 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^1328922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684800).

1328922 is an abundant number, since it is smaller than the sum of its proper divisors (2040678).

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

1328922 is a wasteful number, since it uses less digits than its factorization.

1328922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1328922 is about 1152.7887924507. The cubic root of 1328922 is about 109.9427250041.

The spelling of 1328922 in words is "one million, three hundred twenty-eight thousand, nine hundred twenty-two".