2178968 has 24 divisors (see below), whose sum is σ = 4492740. Its totient is φ = 990000.

The previous prime is 2178947. The next prime is 2178983. The reversal of 2178968 is 8698712.

2178968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 158 + ... + 2093.

2^2178968 is an apocalyptic number.

It is an amenable number.

2178968 is an abundant number, since it is smaller than the sum of its proper divisors (2313772).

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

2178968 is a wasteful number, since it uses less digits than its factorization.

2178968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2264 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 2178968 is about 1476.1327853550. The cubic root of 2178968 is about 129.6433617541.

It can be divided in two parts, 2178 and 968, that multiplied together give a square (2108304 = 1452²).

The spelling of 2178968 in words is "two million, one hundred seventy-eight thousand, nine hundred sixty-eight".