2049684 has 48 divisors (see below), whose sum is σ = 5889408. Its totient is φ = 540288.

The previous prime is 2049679. The next prime is 2049703. The reversal of 2049684 is 4869402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (122696).

2^2049684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2049684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2944704).

2049684 is an abundant number, since it is smaller than the sum of its proper divisors (3839724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049684 is a wasteful number, since it uses less digits than its factorization.

2049684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2049684 is about 1431.6717500880. The cubic root of 2049684 is about 127.0268816967.

The spelling of 2049684 in words is "two million, forty-nine thousand, six hundred eighty-four".