89435814 has 48 divisors (see below), whose sum is σ = 195118992. Its totient is φ = 27316224.

The previous prime is 89435809. The next prime is 89435849. The reversal of 89435814 is 41853498.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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, 195474 + ... + 195930.

It is an arithmetic number, because the mean of its divisors is an integer number (4064979).

Almost surely, 2^89435814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89435814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97559496).

89435814 is an abundant number, since it is smaller than the sum of its proper divisors (105683178).

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

89435814 is a wasteful number, since it uses less digits than its factorization.

89435814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 668 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 89435814 is about 9457.0510202705. The cubic root of 89435814 is about 447.2020867038.

The spelling of 89435814 in words is "eighty-nine million, four hundred thirty-five thousand, eight hundred fourteen".