2100089 has 8 divisors (see below), whose sum is σ = 2233440. Its totient is φ = 1969056.

The previous prime is 2100079. The next prime is 2100097. The reversal of 2100089 is 9800012.

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 2100089 - 2¹² = 2095993 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 2100089.

It is not an unprimeable number, because it can be changed into a prime (2100079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (279180).

2^2100089 is an apocalyptic number.

It is an amenable number.

2100089 is a deficient number, since it is larger than the sum of its proper divisors (133351).

2100089 is a wasteful number, since it uses less digits than its factorization.

2100089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2100089 is about 1449.1683822110. The cubic root of 2100089 is about 128.0597255453.

The spelling of 2100089 in words is "two million, one hundred thousand, eighty-nine".