89800724 has 12 divisors (see below), whose sum is σ = 169239924. Its totient is φ = 41446464.

The previous prime is 89800721. The next prime is 89800741. The reversal of 89800724 is 42700898.

It can be written as a sum of positive squares in 2 ways, for example, as 54612100 + 35188624 = 7390^2 + 5932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89800721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863417 + ... + 863520.

It is an arithmetic number, because the mean of its divisors is an integer number (14103327).

Almost surely, 2^89800724 is an apocalyptic number.

It is an amenable number.

89800724 is a deficient number, since it is larger than the sum of its proper divisors (79439200).

89800724 is a wasteful number, since it uses less digits than its factorization.

89800724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726954 (or 1726952 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 89800724 is about 9476.3243929279. The cubic root of 89800724 is about 447.8094760120.

The spelling of 89800724 in words is "eighty-nine million, eight hundred thousand, seven hundred twenty-four".