2803768 has 32 divisors (see below), whose sum is σ = 5800320. Its totient is φ = 1260000.

The previous prime is 2803751. The next prime is 2803771. The reversal of 2803768 is 8673082.

It is a happy number.

It is a super-2 number, since 2×2803768² = 15722229995648, which contains 22 as substring.

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, 13183 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (181260).

2^2803768 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 2803768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900160).

2803768 is an abundant number, since it is smaller than the sum of its proper divisors (2996552).

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

2803768 is a wasteful number, since it uses less digits than its factorization.

2803768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2803768 is about 1674.4455798861. The cubic root of 2803768 is about 141.0091706390.

The spelling of 2803768 in words is "two million, eight hundred three thousand, seven hundred sixty-eight".