89445633 has 16 divisors (see below), whose sum is σ = 125976576. Its totient is φ = 56362320.

The previous prime is 89445589. The next prime is 89445637. The reversal of 89445633 is 33654498.

It is not a de Polignac number, because 89445633 - 2¹² = 89441537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89445637) 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 15 ways as a sum of consecutive naturals, for example, 7185 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (7873536).

Almost surely, 2^89445633 is an apocalyptic number.

It is an amenable number.

89445633 is a deficient number, since it is larger than the sum of its proper divisors (36530943).

89445633 is a wasteful number, since it uses less digits than its factorization.

89445633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444.

The product of its digits is 311040, while the sum is 42.

The square root of 89445633 is about 9457.5701424837. The cubic root of 89445633 is about 447.2184519472.

The spelling of 89445633 in words is "eighty-nine million, four hundred forty-five thousand, six hundred thirty-three".