89502840 has 128 divisors (see below), whose sum is σ = 340992000. Its totient is φ = 20456064.

The previous prime is 89502839. The next prime is 89502851. The reversal of 89502840 is 4820598.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89502795 and 89502804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (2664000).

Almost surely, 2^89502840 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 89502840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170496000).

89502840 is an abundant number, since it is smaller than the sum of its proper divisors (251489160).

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

89502840 is a wasteful number, since it uses less digits than its factorization.

89502840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11856 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 89502840 is about 9460.5940616856. The cubic root of 89502840 is about 447.3137745575.

The spelling of 89502840 in words is "eighty-nine million, five hundred two thousand, eight hundred forty".