89687228 has 12 divisors (see below), whose sum is σ = 157509240. Its totient is φ = 44684592.

The previous prime is 89687209. The next prime is 89687237. The reversal of 89687228 is 82278698.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38483 + ... + 40746.

It is an arithmetic number, because the mean of its divisors is an integer number (13125770).

Almost surely, 2^89687228 is an apocalyptic number.

It is an amenable number.

89687228 is a deficient number, since it is larger than the sum of its proper divisors (67822012).

89687228 is a wasteful number, since it uses less digits than its factorization.

89687228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79516 (or 79514 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 89687228 is about 9470.3341018150. The cubic root of 89687228 is about 447.6207395561.

The spelling of 89687228 in words is "eighty-nine million, six hundred eighty-seven thousand, two hundred twenty-eight".