897099 has 8 divisors (see below), whose sum is σ = 1367040. Its totient is φ = 512616.

The previous prime is 897077. The next prime is 897101. The reversal of 897099 is 990798.

It is a happy number.

897099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 897099 - 2⁵ = 897067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897099.

It is not an unprimeable number, because it can be changed into a prime (897019) 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, 21339 + ... + 21380.

It is an arithmetic number, because the mean of its divisors is an integer number (170880).

2⁸⁹⁷⁰⁹⁹ is an apocalyptic number.

897099 is a deficient number, since it is larger than the sum of its proper divisors (469941).

897099 is a wasteful number, since it uses less digits than its factorization.

897099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42729.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 897099 is about 947.1531027242. The cubic root of 897099 is about 96.4450903309.

The spelling of 897099 in words is "eight hundred ninety-seven thousand, ninety-nine".