89044965 has 24 divisors (see below), whose sum is σ = 154653408. Its totient is φ = 47395680.

The previous prime is 89044961. The next prime is 89044979. The reversal of 89044965 is 56944098.

It is a happy number.

It is not a de Polignac number, because 89044965 - 2² = 89044961 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89044965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89044961) 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 23 ways as a sum of consecutive naturals, for example, 24730 + ... + 28100.

It is an arithmetic number, because the mean of its divisors is an integer number (6443892).

Almost surely, 2^89044965 is an apocalyptic number.

It is an amenable number.

89044965 is a deficient number, since it is larger than the sum of its proper divisors (65608443).

89044965 is a wasteful number, since it uses less digits than its factorization.

89044965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3966 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 89044965 is about 9436.3639713610. The cubic root of 89044965 is about 446.5496868856.

It can be divided in two parts, 89044 and 965, that added together give a palindrome (90009).

The spelling of 89044965 in words is "eighty-nine million, forty-four thousand, nine hundred sixty-five".