89489484 has 108 divisors (see below), whose sum is σ = 266362824. Its totient is φ = 25256448.

The previous prime is 89489471. The next prime is 89489509. The reversal of 89489484 is 48498498.

89489484 is a `hidden beast` number, since 89 + 4 + 89 + 484 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 89489484.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 170847 + ... + 171369.

Almost surely, 2^89489484 is an apocalyptic number.

89489484 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89489484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133181412).

89489484 is an abundant number, since it is smaller than the sum of its proper divisors (176873340).

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

89489484 is a wasteful number, since it uses less digits than its factorization.

89489484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 632 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 89489484 is about 9459.8881600154. Note that the first 3 decimals coincide. The cubic root of 89489484 is about 447.2915234201.

The spelling of 89489484 in words is "eighty-nine million, four hundred eighty-nine thousand, four hundred eighty-four".