89044091 has 4 divisors (see below), whose sum is σ = 89088384. Its totient is φ = 88999800.

The previous prime is 89044073. The next prime is 89044093. The reversal of 89044091 is 19044098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89044091 - 2¹⁸ = 88781947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89044093) 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, 18980 + ... + 23201.

It is an arithmetic number, because the mean of its divisors is an integer number (22272096).

Almost surely, 2^89044091 is an apocalyptic number.

89044091 is a deficient number, since it is larger than the sum of its proper divisors (44293).

89044091 is a wasteful number, since it uses less digits than its factorization.

89044091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44292.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 89044091 is about 9436.3176610371. The cubic root of 89044091 is about 446.5482258795.

The spelling of 89044091 in words is "eighty-nine million, forty-four thousand, ninety-one".