1097697 has 8 divisors (see below), whose sum is σ = 1469056. Its totient is φ = 729072.

The previous prime is 1097669. The next prime is 1097699. The reversal of 1097697 is 7967901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1097697 - 2⁶ = 1097633 is a prime.

It is a Duffinian number.

1097697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1097699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (183632).

2^1097697 is an apocalyptic number.

It is an amenable number.

1097697 is a deficient number, since it is larger than the sum of its proper divisors (371359).

1097697 is an equidigital number, since it uses as much as digits as its factorization.

1097697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 1097697 is about 1047.7103607391. The cubic root of 1097697 is about 103.1559205719.

The spelling of 1097697 in words is "one million, ninety-seven thousand, six hundred ninety-seven".