89243580 has 48 divisors (see below), whose sum is σ = 250546464. Its totient is φ = 23735040.

The previous prime is 89243569. The next prime is 89243587. The reversal of 89243580 is 8534298.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89243587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23494 + ... + 27026.

It is an arithmetic number, because the mean of its divisors is an integer number (5219718).

Almost surely, 2^89243580 is an apocalyptic number.

It is an amenable number.

89243580 is an abundant number, since it is smaller than the sum of its proper divisors (161302884).

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

89243580 is a wasteful number, since it uses less digits than its factorization.

89243580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966 (or 3964 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 89243580 is about 9446.8820253034. The cubic root of 89243580 is about 446.8814503772.

The spelling of 89243580 in words is "eighty-nine million, two hundred forty-three thousand, five hundred eighty".