2804536 has 32 divisors (see below), whose sum is σ = 6115680. Its totient is φ = 1180800.

The previous prime is 2804531. The next prime is 2804567. The reversal of 2804536 is 6354082.

2804536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3006 + ... + 3826.

It is an arithmetic number, because the mean of its divisors is an integer number (191115).

2^2804536 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 2804536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057840).

2804536 is an abundant number, since it is smaller than the sum of its proper divisors (3311144).

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

2804536 is a wasteful number, since it uses less digits than its factorization.

2804536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2804536 is about 1674.6748938227. The cubic root of 2804536 is about 141.0220444047.

The spelling of 2804536 in words is "two million, eight hundred four thousand, five hundred thirty-six".