2806396 has 24 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 1355952.

The previous prime is 2806387. The next prime is 2806439. The reversal of 2806396 is 6936082.

It is a happy number.

It is a super-3 number, since 3×2806396³ = 66308333447121561408, which contains 333 as substring.

It is an Ulam 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, 26175 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^2806396 is an apocalyptic number.

It is an amenable number.

2806396 is a deficient number, since it is larger than the sum of its proper divisors (2273924).

2806396 is a wasteful number, since it uses less digits than its factorization.

2806396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2806396 is about 1675.2301334444. The cubic root of 2806396 is about 141.0532133202.

The spelling of 2806396 in words is "two million, eight hundred six thousand, three hundred ninety-six".