2197328 has 40 divisors (see below), whose sum is σ = 5083008. Its totient is φ = 899712.

The previous prime is 2197309. The next prime is 2197333. The reversal of 2197328 is 8237912.

It is a junction number, because it is equal to n+sod(n) for n = 2197294 and 2197303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 3002.

2^2197328 is an apocalyptic number.

2197328 is a gapful number since it is divisible by the number (28) 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 2197328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2541504).

2197328 is an abundant number, since it is smaller than the sum of its proper divisors (2885680).

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

2197328 is a wasteful number, since it uses less digits than its factorization.

2197328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 885 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2197328 is about 1482.3386927420. The cubic root of 2197328 is about 130.0064691061.

The spelling of 2197328 in words is "two million, one hundred ninety-seven thousand, three hundred twenty-eight".