2808794 has 4 divisors (see below), whose sum is σ = 4213194. Its totient is φ = 1404396.

The previous prime is 2808779. The next prime is 2808797. The reversal of 2808794 is 4978082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2601769 + 207025 = 1613^2 + 455^2 .

It is not an unprimeable number, because it can be changed into a prime (2808797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702197 + ... + 702200.

2^2808794 is an apocalyptic number.

2808794 is a deficient number, since it is larger than the sum of its proper divisors (1404400).

2808794 is a wasteful number, since it uses less digits than its factorization.

2808794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404399.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2808794 is about 1675.9457031778. The cubic root of 2808794 is about 141.0933774442.

The spelling of 2808794 in words is "two million, eight hundred eight thousand, seven hundred ninety-four".