89431603 has 2 divisors, whose sum is σ = 89431604. Its totient is φ = 89431602.

The previous prime is 89431597. The next prime is 89431609. The reversal of 89431603 is 30613498.

It is a balanced prime because it is at equal distance from previous prime (89431597) and next prime (89431609).

It is a cyclic number.

It is not a de Polignac number, because 89431603 - 2⁵ = 89431571 is a prime.

It is not a weakly prime, because it can be changed into another prime (89431609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44715801 + 44715802.

It is an arithmetic number, because the mean of its divisors is an integer number (44715802).

Almost surely, 2^89431603 is an apocalyptic number.

89431603 is a deficient number, since it is larger than the sum of its proper divisors (1).

89431603 is an equidigital number, since it uses as much as digits as its factorization.

89431603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 89431603 is about 9456.8283795361. The cubic root of 89431603 is about 447.1950678991.

The spelling of 89431603 in words is "eighty-nine million, four hundred thirty-one thousand, six hundred three".