8997899 has 8 divisors (see below), whose sum is σ = 9530880. Its totient is φ = 8476776.

The previous prime is 8997889. The next prime is 8997931. The reversal of 8997899 is 9987998.

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

It is a cyclic number.

It is not a de Polignac number, because 8997899 - 2⁴ = 8997883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8997869) 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, 1379 + ... + 4460.

It is an arithmetic number, because the mean of its divisors is an integer number (1191360).

Almost surely, 2^8997899 is an apocalyptic number.

8997899 is a deficient number, since it is larger than the sum of its proper divisors (532981).

8997899 is a wasteful number, since it uses less digits than its factorization.

8997899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929.

The product of its digits is 2939328, while the sum is 59.

The square root of 8997899 is about 2999.6498128948. The cubic root of 8997899 is about 207.9921949118.

Subtracting 8997899 from its reverse (9987998), we obtain a palindrome (990099).

The spelling of 8997899 in words is "eight million, nine hundred ninety-seven thousand, eight hundred ninety-nine".