2804406 has 16 divisors (see below), whose sum is σ = 6118848. Its totient is φ = 849800.

The previous prime is 2804383. The next prime is 2804407. The reversal of 2804406 is 6044082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804407) 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, 21180 + ... + 21311.

It is an arithmetic number, because the mean of its divisors is an integer number (382428).

2^2804406 is an apocalyptic number.

2804406 is an abundant number, since it is smaller than the sum of its proper divisors (3314442).

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

2804406 is a wasteful number, since it uses less digits than its factorization.

2804406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42507.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2804406 is about 1674.6360798693. The cubic root of 2804406 is about 141.0198654169.

Adding to 2804406 its reverse (6044082), we get a palindrome (8848488).

It can be divided in two parts, 2 and 804406, that added together give a palindrome (804408).

The spelling of 2804406 in words is "two million, eight hundred four thousand, four hundred six".