89019001 has 4 divisors (see below), whose sum is σ = 89441104. Its totient is φ = 88596900.

The previous prime is 89018977. The next prime is 89019013. The reversal of 89019001 is 10091098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89019001 - 2¹¹ = 89016953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89019041) 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, 210735 + ... + 211156.

It is an arithmetic number, because the mean of its divisors is an integer number (22360276).

Almost surely, 2^89019001 is an apocalyptic number.

It is an amenable number.

89019001 is a deficient number, since it is larger than the sum of its proper divisors (422103).

89019001 is a wasteful number, since it uses less digits than its factorization.

89019001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422102.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 89019001 is about 9434.9881292983. The cubic root of 89019001 is about 446.5062805641.

It can be divided in two parts, 890 and 19001, that added together give a palindrome (19891).

The spelling of 89019001 in words is "eighty-nine million, nineteen thousand, one".