89030280 has 64 divisors (see below), whose sum is σ = 268632000. Its totient is φ = 23604480.

The previous prime is 89030273. The next prime is 89030287. The reversal of 89030280 is 8203098.

It is an interprime number because it is at equal distance from previous prime (89030273) and next prime (89030287).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (89030287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19671 + ... + 23769.

It is an arithmetic number, because the mean of its divisors is an integer number (4197375).

Almost surely, 2^89030280 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 89030280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134316000).

89030280 is an abundant number, since it is smaller than the sum of its proper divisors (179601720).

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

89030280 is a wasteful number, since it uses less digits than its factorization.

89030280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 89030280 is about 9435.5858323689. The cubic root of 89030280 is about 446.5251377054.

The spelling of 89030280 in words is "eighty-nine million, thirty thousand, two hundred eighty".