89608428 has 144 divisors (see below), whose sum is σ = 295364160. Its totient is φ = 22228992.

The previous prime is 89608423. The next prime is 89608429. The reversal of 89608428 is 82480698.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89608423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54888 + ... + 56496.

It is an arithmetic number, because the mean of its divisors is an integer number (2051140).

Almost surely, 2^89608428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89608428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147682080).

89608428 is an abundant number, since it is smaller than the sum of its proper divisors (205755732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89608428 is a wasteful number, since it uses less digits than its factorization.

89608428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 89608428 is about 9466.1728274948. The cubic root of 89608428 is about 447.4896066165.

The spelling of 89608428 in words is "eighty-nine million, six hundred eight thousand, four hundred twenty-eight".