2805924 has 48 divisors (see below), whose sum is σ = 7398720. Its totient is φ = 819840.

The previous prime is 2805923. The next prime is 2805949. The reversal of 2805924 is 4295082.

It is a junction number, because it is equal to n+sod(n) for n = 2805891 and 2805900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (154140).

2^2805924 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 2805924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699360).

2805924 is an abundant number, since it is smaller than the sum of its proper divisors (4592796).

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

2805924 is a wasteful number, since it uses less digits than its factorization.

2805924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2805924 is about 1675.0892513535. The cubic root of 2805924 is about 141.0453050933.

The spelling of 2805924 in words is "two million, eight hundred five thousand, nine hundred twenty-four".