89684280 has 128 divisors (see below), whose sum is σ = 341683200. Its totient is φ = 20497536.

The previous prime is 89684249. The next prime is 89684317. The reversal of 89684280 is 8248698.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1629 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (2669400).

Almost surely, 2^89684280 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 89684280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170841600).

89684280 is an abundant number, since it is smaller than the sum of its proper divisors (251998920).

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

89684280 is a wasteful number, since it uses less digits than its factorization.

89684280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11890 (or 11880 counting only the distinct ones).

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

The square root of 89684280 is about 9470.1784566079. The cubic root of 89684280 is about 447.6158351031.

The spelling of 89684280 in words is "eighty-nine million, six hundred eighty-four thousand, two hundred eighty".