89842734 has 48 divisors (see below), whose sum is σ = 201054048. Its totient is φ = 28973376.

The previous prime is 89842723. The next prime is 89842747. The reversal of 89842734 is 43724898.

It is a self number, because there is not a number n which added to its sum of digits gives 89842734.

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, 184239 + ... + 184725.

It is an arithmetic number, because the mean of its divisors is an integer number (4188626).

Almost surely, 2^89842734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89842734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100527024).

89842734 is an abundant number, since it is smaller than the sum of its proper divisors (111211314).

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

89842734 is a wasteful number, since it uses less digits than its factorization.

89842734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 806 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 89842734 is about 9478.5407104680. The cubic root of 89842734 is about 447.8792955800.

The spelling of 89842734 in words is "eighty-nine million, eight hundred forty-two thousand, seven hundred thirty-four".