8990899 has 16 divisors (see below), whose sum is σ = 9803520. Its totient is φ = 8225280.

The previous prime is 8990887. The next prime is 8990929. The reversal of 8990899 is 9980998.

It is a cyclic number.

It is not a de Polignac number, because 8990899 - 2¹⁷ = 8859827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65559 + ... + 65695.

It is an arithmetic number, because the mean of its divisors is an integer number (612720).

Almost surely, 2^8990899 is an apocalyptic number.

8990899 is a deficient number, since it is larger than the sum of its proper divisors (812621).

8990899 is a wasteful number, since it uses less digits than its factorization.

8990899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 8990899 is about 2998.4827830088. The cubic root of 8990899 is about 207.9382444253.

Subtracting 8990899 from its reverse (9980998), we obtain a palindrome (990099).

It can be divided in two parts, 8990 and 899, that added together give a palindrome (9889).

The spelling of 8990899 in words is "eight million, nine hundred ninety thousand, eight hundred ninety-nine".