89689194 has 80 divisors (see below), whose sum is σ = 231739200. Its totient is φ = 25396416.

The previous prime is 89689183. The next prime is 89689217. The reversal of 89689194 is 49198698.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (1119744) is a multiple of the sum of its prime factors (729).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89689194.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157342 + ... + 157910.

It is an arithmetic number, because the mean of its divisors is an integer number (2896740).

Almost surely, 2^89689194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89689194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115869600).

89689194 is an abundant number, since it is smaller than the sum of its proper divisors (142050006).

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

89689194 is a wasteful number, since it uses less digits than its factorization.

89689194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 720 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 89689194 is about 9470.4378990625. The cubic root of 89689194 is about 447.6240102409.

The spelling of 89689194 in words is "eighty-nine million, six hundred eighty-nine thousand, one hundred ninety-four".