2797806 has 16 divisors (see below), whose sum is σ = 6104448. Its totient is φ = 847800.

The previous prime is 2797793. The next prime is 2797813. The reversal of 2797806 is 6087972.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21130 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (381528).

2^2797806 is an apocalyptic number.

2797806 is an abundant number, since it is smaller than the sum of its proper divisors (3306642).

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

2797806 is a wasteful number, since it uses less digits than its factorization.

2797806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42407.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2797806 is about 1672.6643417016. The cubic root of 2797806 is about 140.9091512755.

The spelling of 2797806 in words is "two million, seven hundred ninety-seven thousand, eight hundred six".