9897099 has 4 divisors (see below), whose sum is σ = 13196136. Its totient is φ = 6598064.

The previous prime is 9897071. The next prime is 9897109. The reversal of 9897099 is 9907989.

9897099 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9897099 - 2¹² = 9893003 is a prime.

9897099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9897059) 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, 1649514 + ... + 1649519.

It is an arithmetic number, because the mean of its divisors is an integer number (3299034).

Almost surely, 2^9897099 is an apocalyptic number.

9897099 is a deficient number, since it is larger than the sum of its proper divisors (3299037).

9897099 is a wasteful number, since it uses less digits than its factorization.

9897099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299036.

The product of its (nonzero) digits is 367416, while the sum is 51.

The square root of 9897099 is about 3145.9655115719. The cubic root of 9897099 is about 214.7019414125.

The spelling of 9897099 in words is "nine million, eight hundred ninety-seven thousand, ninety-nine".