89280396 has 72 divisors (see below), whose sum is σ = 241257744. Its totient is φ = 27740160.

The previous prime is 89280383. The next prime is 89280397. The reversal of 89280396 is 69308298.

It is not an unprimeable number, because it can be changed into a prime (89280397) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 68511 + ... + 69801.

It is an arithmetic number, because the mean of its divisors is an integer number (3350802).

Almost surely, 2^89280396 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 89280396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120628872).

89280396 is an abundant number, since it is smaller than the sum of its proper divisors (151977348).

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

89280396 is a wasteful number, since it uses less digits than its factorization.

89280396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 89280396 is about 9448.8304038119. The cubic root of 89280396 is about 446.9428931745.

It can be divided in two parts, 89280 and 396, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 89280396 in words is "eighty-nine million, two hundred eighty thousand, three hundred ninety-six".