1097688 has 16 divisors (see below), whose sum is σ = 2744280. Its totient is φ = 365888.

The previous prime is 1097669. The next prime is 1097699. The reversal of 1097688 is 8867901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22845 + ... + 22892.

2^1097688 is an apocalyptic number.

It is an amenable number.

1097688 is an abundant number, since it is smaller than the sum of its proper divisors (1646592).

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

1097688 is a wasteful number, since it uses less digits than its factorization.

1097688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45746 (or 45742 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1097688 is about 1047.7060656501. The cubic root of 1097688 is about 103.1556386465.

The spelling of 1097688 in words is "one million, ninety-seven thousand, six hundred eighty-eight".