1097328 has 20 divisors (see below), whose sum is σ = 2834888. Its totient is φ = 365760.

The previous prime is 1097323. The next prime is 1097351. The reversal of 1097328 is 8237901.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1097295 and 1097304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11383 + ... + 11478.

2^1097328 is an apocalyptic number.

It is an amenable number.

1097328 is an abundant number, since it is smaller than the sum of its proper divisors (1737560).

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

1097328 is a wasteful number, since it uses less digits than its factorization.

1097328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22872 (or 22866 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1097328 is about 1047.5342476502. The cubic root of 1097328 is about 103.1443603688.

The spelling of 1097328 in words is "one million, ninety-seven thousand, three hundred twenty-eight".