89818452 has 72 divisors (see below), whose sum is σ = 236527200. Its totient is φ = 28703808.

The previous prime is 89818403. The next prime is 89818493. The reversal of 89818452 is 25481898.

It is a happy number.

Its product of digits (184320) is a multiple of the sum of its prime divisors (640).

It is a junction number, because it is equal to n+sod(n) for n = 89818398 and 89818407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236799 + ... + 237177.

It is an arithmetic number, because the mean of its divisors is an integer number (3285100).

Almost surely, 2^89818452 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 89818452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118263600).

89818452 is an abundant number, since it is smaller than the sum of its proper divisors (146708748).

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

89818452 is a wasteful number, since it uses less digits than its factorization.

89818452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 640 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 89818452 is about 9477.2597305339. The cubic root of 89818452 is about 447.8389421591.

The spelling of 89818452 in words is "eighty-nine million, eight hundred eighteen thousand, four hundred fifty-two".