89423400 has 192 divisors, whose sum is σ = 320604480. Its totient is φ = 20377600.

The previous prime is 89423381. The next prime is 89423423. The reversal of 89423400 is 432498.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111802 + ... + 112598.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^89423400 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 89423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160302240).

89423400 is an abundant number, since it is smaller than the sum of its proper divisors (231181080).

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

89423400 is a wasteful number, since it uses less digits than its factorization.

89423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 89423400 is about 9456.3946618148. The cubic root of 89423400 is about 447.1813946815.

Adding to 89423400 its reverse (432498), we get a palindrome (89855898).

The spelling of 89423400 in words is "eighty-nine million, four hundred twenty-three thousand, four hundred".