89321472 has 78 divisors (see below), whose sum is σ = 258114792. Its totient is φ = 29761536.

The previous prime is 89321461. The next prime is 89321473. The reversal of 89321472 is 27412398.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89321473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35653 + ... + 38075.

It is an arithmetic number, because the mean of its divisors is an integer number (3309164).

Almost surely, 2^89321472 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 89321472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129057396).

89321472 is an abundant number, since it is smaller than the sum of its proper divisors (168793320).

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

89321472 is a wasteful number, since it uses less digits than its factorization.

89321472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2428 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 89321472 is about 9451.0037562155. The cubic root of 89321472 is about 447.0114256197.

It can be divided in two parts, 8932 and 1472, that added together give a square (10404 = 102²).

The spelling of 89321472 in words is "eighty-nine million, three hundred twenty-one thousand, four hundred seventy-two".