8989903 has 4 divisors (see below), whose sum is σ = 9681448. Its totient is φ = 8298360.

The previous prime is 8989873. The next prime is 8989919. The reversal of 8989903 is 3099898.

8989903 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8989903 is a prime.

It is a Duffinian number.

8989903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989973) 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, 345753 + ... + 345778.

It is an arithmetic number, because the mean of its divisors is an integer number (2420362).

Almost surely, 2^8989903 is an apocalyptic number.

8989903 is a deficient number, since it is larger than the sum of its proper divisors (691545).

8989903 is a wasteful number, since it uses less digits than its factorization.

8989903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691544.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 8989903 is about 2998.3166944137. The cubic root of 8989903 is about 207.9305657665.

It can be divided in two parts, 898 and 9903, that added together give a palindrome (10801).

The spelling of 8989903 in words is "eight million, nine hundred eighty-nine thousand, nine hundred three".