2788786 has 48 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 997920.

The previous prime is 2788783. The next prime is 2788813. The reversal of 2788786 is 6878872.

2788786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2788781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13915 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^2788786 is an apocalyptic number.

2788786 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2788786 is an abundant number, since it is smaller than the sum of its proper divisors (2956814).

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

2788786 is a wasteful number, since it uses less digits than its factorization.

2788786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 232 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 2788786 is about 1669.9658679147. The cubic root of 2788786 is about 140.7575600073.

The spelling of 2788786 in words is "two million, seven hundred eighty-eight thousand, seven hundred eighty-six".