1097792 has 28 divisors (see below), whose sum is σ = 2308860. Its totient is φ = 516096.

The previous prime is 1097791. The next prime is 1097797. The reversal of 1097792 is 2977901.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 495616 = 776^2 + 704^2 .

It is not an unprimeable number, because it can be changed into a prime (1097791) 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, 584 + ... + 1592.

2^1097792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154430).

1097792 is an abundant number, since it is smaller than the sum of its proper divisors (1211068).

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

1097792 is a wasteful number, since it uses less digits than its factorization.

1097792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 1097792 is about 1047.7556967156. The cubic root of 1097792 is about 103.1588963566.

The spelling of 1097792 in words is "one million, ninety-seven thousand, seven hundred ninety-two".