2078766 has 24 divisors (see below), whose sum is σ = 4591080. Its totient is φ = 679536.

The previous prime is 2078759. The next prime is 2078779. The reversal of 2078766 is 6678702.

It is a self number, because there is not a number n which added to its sum of digits gives 2078766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (191295).

2^2078766 is an apocalyptic number.

2078766 is an abundant number, since it is smaller than the sum of its proper divisors (2512314).

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

2078766 is a wasteful number, since it uses less digits than its factorization.

2078766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2078766 is about 1441.7926341884. The cubic root of 2078766 is about 127.6248373607.

The spelling of 2078766 in words is "two million, seventy-eight thousand, seven hundred sixty-six".