89400445 has 8 divisors (see below), whose sum is σ = 108882144. Its totient is φ = 70452624.

The previous prime is 89400419. The next prime is 89400481. The reversal of 89400445 is 54400498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89400445 - 2⁵ = 89400413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89400445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133099 + ... + 133768.

It is an arithmetic number, because the mean of its divisors is an integer number (13610268).

Almost surely, 2^89400445 is an apocalyptic number.

It is an amenable number.

89400445 is a deficient number, since it is larger than the sum of its proper divisors (19481699).

89400445 is a wasteful number, since it uses less digits than its factorization.

89400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266939.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 89400445 is about 9455.1808549599. The cubic root of 89400445 is about 447.1431275635.

The spelling of 89400445 in words is "eighty-nine million, four hundred thousand, four hundred forty-five".