89903 has 6 divisors (see below), whose sum is σ = 98952. Its totient is φ = 81620.

The previous prime is 89899. The next prime is 89909. The reversal of 89903 is 30998.

It is not a de Polignac number, because 89903 - 2² = 89899 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 (89909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251 + ... + 492.

It is an arithmetic number, because the mean of its divisors is an integer number (16492).

2⁸⁹⁹⁰³ is an apocalyptic number.

89903 is a deficient number, since it is larger than the sum of its proper divisors (9049).

89903 is a wasteful number, since it uses less digits than its factorization.

89903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 89903 is about 299.8382897497. The cubic root of 89903 is about 44.7979418166.

The spelling of 89903 in words is "eighty-nine thousand, nine hundred three".