89745916 has 24 divisors (see below), whose sum is σ = 169407504. Its totient is φ = 41354880.

The previous prime is 89745893. The next prime is 89745989. The reversal of 89745916 is 61954798.

It is a self number, because there is not a number n which added to its sum of digits gives 89745916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48651 + ... + 50461.

It is an arithmetic number, because the mean of its divisors is an integer number (7058646).

Almost surely, 2^89745916 is an apocalyptic number.

It is an amenable number.

89745916 is a deficient number, since it is larger than the sum of its proper divisors (79661588).

89745916 is a wasteful number, since it uses less digits than its factorization.

89745916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2779 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 89745916 is about 9473.4321130201. The cubic root of 89745916 is about 447.7183537449.

The spelling of 89745916 in words is "eighty-nine million, seven hundred forty-five thousand, nine hundred sixteen".