89403408 has 120 divisors (see below), whose sum is σ = 269848800. Its totient is φ = 27528192.

The previous prime is 89403403. The next prime is 89403409. The reversal of 89403408 is 80430498.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (89403401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144123 + ... + 144741.

It is an arithmetic number, because the mean of its divisors is an integer number (2248740).

Almost surely, 2^89403408 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 89403408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134924400).

89403408 is an abundant number, since it is smaller than the sum of its proper divisors (180445392).

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

89403408 is a wasteful number, since it uses less digits than its factorization.

89403408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 89403408 is about 9455.3375402468. The cubic root of 89403408 is about 447.1480673989.

The spelling of 89403408 in words is "eighty-nine million, four hundred three thousand, four hundred eight".