89731245 has 16 divisors (see below), whose sum is σ = 144148032. Its totient is φ = 47664000.

The previous prime is 89731241. The next prime is 89731261. The reversal of 89731245 is 54213798.

It is not a de Polignac number, because 89731245 - 2² = 89731241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89731241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8152 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (9009252).

Almost surely, 2^89731245 is an apocalyptic number.

It is an amenable number.

89731245 is a deficient number, since it is larger than the sum of its proper divisors (54416787).

89731245 is a wasteful number, since it uses less digits than its factorization.

89731245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24092.

The product of its digits is 60480, while the sum is 39.

The square root of 89731245 is about 9472.6577579896. The cubic root of 89731245 is about 447.6939558513.

The spelling of 89731245 in words is "eighty-nine million, seven hundred thirty-one thousand, two hundred forty-five".