2178048 has 44 divisors (see below), whose sum is σ = 5813480. Its totient is φ = 724992.

The previous prime is 2178037. The next prime is 2178049. The reversal of 2178048 is 8408712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2178049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 3426.

2^2178048 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 2178048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2906740).

2178048 is an abundant number, since it is smaller than the sum of its proper divisors (3635432).

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

2178048 is an equidigital number, since it uses as much as digits as its factorization.

2178048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2178048 is about 1475.8211273728. The cubic root of 2178048 is about 129.6251132556.

The spelling of 2178048 in words is "two million, one hundred seventy-eight thousand, forty-eight".