2804438 has 32 divisors (see below), whose sum is σ = 5456640. Its totient is φ = 1049760.

The previous prime is 2804437. The next prime is 2804449. The reversal of 2804438 is 8344082.

It is a self number, because there is not a number n which added to its sum of digits gives 2804438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804437) 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, 3053 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (170520).

2^2804438 is an apocalyptic number.

2804438 is a deficient number, since it is larger than the sum of its proper divisors (2652202).

2804438 is a wasteful number, since it uses less digits than its factorization.

2804438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2804438 is about 1674.6456341567. The cubic root of 2804438 is about 141.0204017894.

It can be divided in two parts, 28044 and 38, that added together give a palindrome (28082).

The spelling of 2804438 in words is "two million, eight hundred four thousand, four hundred thirty-eight".