8990998 has 16 divisors (see below), whose sum is σ = 13794480. Its totient is φ = 4394016.

The previous prime is 8990981. The next prime is 8991001.

8990998 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30540 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (862155).

Almost surely, 2^8990998 is an apocalyptic number.

8990998 is a deficient number, since it is larger than the sum of its proper divisors (4803482).

8990998 is a wasteful number, since it uses less digits than its factorization.

8990998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

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

The square root of 8990998 is about 2998.4992913122. The cubic root of 8990998 is about 207.9390076346.

The spelling of 8990998 in words is "eight million, nine hundred ninety thousand, nine hundred ninety-eight".