89391103 has 2 divisors, whose sum is σ = 89391104. Its totient is φ = 89391102.

The previous prime is 89391097. The next prime is 89391119. The reversal of 89391103 is 30119398.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89391103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89391163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44695551 + 44695552.

It is an arithmetic number, because the mean of its divisors is an integer number (44695552).

Almost surely, 2^89391103 is an apocalyptic number.

89391103 is a deficient number, since it is larger than the sum of its proper divisors (1).

89391103 is an equidigital number, since it uses as much as digits as its factorization.

89391103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 89391103 is about 9454.6868271773. The cubic root of 89391103 is about 447.1275521131.

The spelling of 89391103 in words is "eighty-nine million, three hundred ninety-one thousand, one hundred three".