89609472 has 216 divisors, whose sum is σ = 286977600. Its totient is φ = 26763264.

The previous prime is 89609467. The next prime is 89609503. The reversal of 89609472 is 27490698.

It is a happy number.

It is a super-4 number, since 4×89609472⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006804 + ... + 1006892.

It is an arithmetic number, because the mean of its divisors is an integer number (1328600).

Almost surely, 2^89609472 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 89609472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143488800).

89609472 is an abundant number, since it is smaller than the sum of its proper divisors (197368128).

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

89609472 is a wasteful number, since it uses less digits than its factorization.

89609472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 89609472 is about 9466.2279710558. The cubic root of 89609472 is about 447.4913444639.

The spelling of 89609472 in words is "eighty-nine million, six hundred nine thousand, four hundred seventy-two".