2808426 has 8 divisors (see below), whose sum is σ = 5616864. Its totient is φ = 936140.

The previous prime is 2808419. The next prime is 2808427. The reversal of 2808426 is 6248082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2808426 is an admirable number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2808393 and 2808402.

It is not an unprimeable number, because it can be changed into a prime (2808427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234030 + ... + 234041.

It is an arithmetic number, because the mean of its divisors is an integer number (702108).

2^2808426 is an apocalyptic number.

2808426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2808426 is a wasteful number, since it uses less digits than its factorization.

2808426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468076.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2808426 is about 1675.8359108218. The cubic root of 2808426 is about 141.0872152941.

The spelling of 2808426 in words is "two million, eight hundred eight thousand, four hundred twenty-six".