89985001 has 4 divisors (see below), whose sum is σ = 90007632. Its totient is φ = 89962372.

The previous prime is 89984989. The next prime is 89985011. The reversal of 89985001 is 10058998.

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 89985001 - 2¹⁹ = 89460713 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89985011) 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, 3595 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (22501908).

Almost surely, 2^89985001 is an apocalyptic number.

89985001 is the 6000-th centered pentagonal number.

It is an amenable number.

89985001 is a deficient number, since it is larger than the sum of its proper divisors (22631).

89985001 is a wasteful number, since it uses less digits than its factorization.

89985001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22630.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 89985001 is about 9486.0424308560. The cubic root of 89985001 is about 448.1155782394.

The spelling of 89985001 in words is "eighty-nine million, nine hundred eighty-five thousand, one".