2804538 has 24 divisors (see below), whose sum is σ = 6166944. Its totient is φ = 849640.

The previous prime is 2804531. The next prime is 2804567. The reversal of 2804538 is 8354082.

It is a Curzon 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (256956).

2^2804538 is an apocalyptic number.

2804538 is an abundant number, since it is smaller than the sum of its proper divisors (3362406).

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

2804538 is a wasteful number, since it uses less digits than its factorization.

2804538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2804538 is about 1674.6754909534. The cubic root of 2804538 is about 141.0220779271.

The spelling of 2804538 in words is "two million, eight hundred four thousand, five hundred thirty-eight".