2078688 has 48 divisors (see below), whose sum is σ = 5564160. Its totient is φ = 679296.

The previous prime is 2078677. The next prime is 2078693. The reversal of 2078688 is 8868702.

It is a tau number, because it is divible by the number of its divisors (48).

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, 5481 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^2078688 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 2078688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782080).

2078688 is an abundant number, since it is smaller than the sum of its proper divisors (3485472).

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

2078688 is a wasteful number, since it uses less digits than its factorization.

2078688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 2078688 is about 1441.7655842751. The cubic root of 2078688 is about 127.6232410832.

The spelling of 2078688 in words is "two million, seventy-eight thousand, six hundred eighty-eight".