89441428 has 12 divisors (see below), whose sum is σ = 156591540. Its totient is φ = 44700992.

The previous prime is 89441399. The next prime is 89441431. The reversal of 89441428 is 82414498.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70761744 + 18679684 = 8412^2 + 4322^2 .

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 3 ways as a sum of consecutive naturals, for example, 10968 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (13049295).

Almost surely, 2^89441428 is an apocalyptic number.

It is an amenable number.

89441428 is a deficient number, since it is larger than the sum of its proper divisors (67150112).

89441428 is a wasteful number, since it uses less digits than its factorization.

89441428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9864 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 89441428 is about 9457.3478311840. The cubic root of 89441428 is about 447.2114436563.

The spelling of 89441428 in words is "eighty-nine million, four hundred forty-one thousand, four hundred twenty-eight".