2104549 has 8 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 1934016.

The previous prime is 2104547. The next prime is 2104567. The reversal of 2104549 is 9454012.

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 2104549 - 2¹ = 2104547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104541) 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, 709 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

2^2104549 is an apocalyptic number.

It is an amenable number.

2104549 is a deficient number, since it is larger than the sum of its proper divisors (176411).

2104549 is a wasteful number, since it uses less digits than its factorization.

2104549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2104549 is about 1450.7063796647. The cubic root of 2104549 is about 128.1503157591.

The spelling of 2104549 in words is "two million, one hundred four thousand, five hundred forty-nine".