89908434 has 96 divisors (see below), whose sum is σ = 253627200. Its totient is φ = 23345280.

The previous prime is 89908433. The next prime is 89908453. The reversal of 89908434 is 43480998.

It is a happy number.

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 89908434.

It is not an unprimeable number, because it can be changed into a prime (89908433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27562 + ... + 30650.

It is an arithmetic number, because the mean of its divisors is an integer number (2641950).

Almost surely, 2^89908434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89908434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126813600).

89908434 is an abundant number, since it is smaller than the sum of its proper divisors (163718766).

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

89908434 is a wasteful number, since it uses less digits than its factorization.

89908434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 89908434 is about 9482.0058004623. The cubic root of 89908434 is about 447.9884437123.

It can be divided in two parts, 8990 and 8434, that added together give a square (17424 = 132²).

The spelling of 89908434 in words is "eighty-nine million, nine hundred eight thousand, four hundred thirty-four".