1322928 has 30 divisors (see below), whose sum is σ = 3702764. Its totient is φ = 440928.

The previous prime is 1322927. The next prime is 1322939. The reversal of 1322928 is 8292231.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1322921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4450 + ... + 4737.

2^1322928 is an apocalyptic number.

1322928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1322928 is an abundant number, since it is smaller than the sum of its proper divisors (2379836).

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

1322928 is a wasteful number, since it uses less digits than its factorization.

1322928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201 (or 9192 counting only the distinct ones).

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

The square root of 1322928 is about 1150.1860719032. The cubic root of 1322928 is about 109.7771798057. Note that the first 3 decimals are identical.

The spelling of 1322928 in words is "one million, three hundred twenty-two thousand, nine hundred twenty-eight".