2104989 has 8 divisors (see below), whose sum is σ = 2866560. Its totient is φ = 1373376.

The previous prime is 2104987. The next prime is 2105003. The reversal of 2104989 is 9894012.

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

It is not a de Polignac number, because 2104989 - 2¹ = 2104987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104987) 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, 7324 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (358320).

2^2104989 is an apocalyptic number.

It is an amenable number.

2104989 is a deficient number, since it is larger than the sum of its proper divisors (761571).

2104989 is a wasteful number, since it uses less digits than its factorization.

2104989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14979.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2104989 is about 1450.8580219994. The cubic root of 2104989 is about 128.1592459716.

The spelling of 2104989 in words is "two million, one hundred four thousand, nine hundred eighty-nine".