89039140 has 12 divisors (see below), whose sum is σ = 186982236. Its totient is φ = 35615648.

The previous prime is 89039123. The next prime is 89039143. The reversal of 89039140 is 4193098.

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 78747876 = 3208^2 + 8874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89039096 and 89039105.

It is not an unprimeable number, because it can be changed into a prime (89039143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2225959 + ... + 2225998.

It is an arithmetic number, because the mean of its divisors is an integer number (15581853).

Almost surely, 2^89039140 is an apocalyptic number.

It is an amenable number.

89039140 is an abundant number, since it is smaller than the sum of its proper divisors (97943096).

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

89039140 is a wasteful number, since it uses less digits than its factorization.

89039140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451966 (or 4451964 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 89039140 is about 9436.0553198887. The cubic root of 89039140 is about 446.5399494507.

The spelling of 89039140 in words is "eighty-nine million, thirty-nine thousand, one hundred forty".