2306778 has 16 divisors (see below), whose sum is σ = 4721376. Its totient is φ = 750960.

The previous prime is 2306761. The next prime is 2306797. The reversal of 2306778 is 8776032.

2306778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4213 + ... + 4728.

It is an arithmetic number, because the mean of its divisors is an integer number (295086).

2^2306778 is an apocalyptic number.

2306778 is an abundant number, since it is smaller than the sum of its proper divisors (2414598).

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

2306778 is a wasteful number, since it uses less digits than its factorization.

2306778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2306778 is about 1518.8080853090. The cubic root of 2306778 is about 132.1301517020.

The spelling of 2306778 in words is "two million, three hundred six thousand, seven hundred seventy-eight".