8993209 has 4 divisors (see below), whose sum is σ = 9127504. Its totient is φ = 8858916.

The previous prime is 8993197. The next prime is 8993233. The reversal of 8993209 is 9023998.

It is a happy number.

8993209 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8993209 - 2¹³ = 8985017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8993249) 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, 67047 + ... + 67180.

It is an arithmetic number, because the mean of its divisors is an integer number (2281876).

Almost surely, 2^8993209 is an apocalyptic number.

It is an amenable number.

8993209 is a deficient number, since it is larger than the sum of its proper divisors (134295).

8993209 is a wasteful number, since it uses less digits than its factorization.

8993209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134294.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 8993209 is about 2998.8679530783. The cubic root of 8993209 is about 207.9560511806.

The spelling of 8993209 in words is "eight million, nine hundred ninety-three thousand, two hundred nine".