2879808 has 56 divisors (see below), whose sum is σ = 7790688. Its totient is φ = 938496.

The previous prime is 2879803. The next prime is 2879819. The reversal of 2879808 is 8089782.

It is a happy number.

It is a Cunningham number, because it is equal to 1697²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 2879808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10035 + ... + 10317.

2^2879808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2879808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3895344).

2879808 is an abundant number, since it is smaller than the sum of its proper divisors (4910880).

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

2879808 is a wasteful number, since it uses less digits than its factorization.

2879808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 2879808 is about 1696.9997053624. Note that the first 3 decimals coincide. The cubic root of 2879808 is about 142.2725704264.

It can be divided in two parts, 2879 and 808, that multiplied together give a palindrome (2326232).

The spelling of 2879808 in words is "two million, eight hundred seventy-nine thousand, eight hundred eight".