89660903 has 4 divisors (see below), whose sum is σ = 89696688. Its totient is φ = 89625120.

The previous prime is 89660881. The next prime is 89660927. The reversal of 89660903 is 30906698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89660903 - 2¹⁸ = 89398759 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 (89660933) 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, 13826 + ... + 19247.

It is an arithmetic number, because the mean of its divisors is an integer number (22424172).

Almost surely, 2^89660903 is an apocalyptic number.

89660903 is a deficient number, since it is larger than the sum of its proper divisors (35785).

89660903 is a wasteful number, since it uses less digits than its factorization.

89660903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35784.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 89660903 is about 9468.9441333234. The cubic root of 89660903 is about 447.5769400493.

The spelling of 89660903 in words is "eighty-nine million, six hundred sixty thousand, nine hundred three".