2078946 has 40 divisors (see below), whose sum is σ = 4787244. Its totient is φ = 673920.

The previous prime is 2078939. The next prime is 2078959. The reversal of 2078946 is 6498702.

It can be written as a sum of positive squares in 2 ways, for example, as 1347921 + 731025 = 1161^2 + 855^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2078946.

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 19 ways as a sum of consecutive naturals, for example, 6486 + ... + 6798.

2^2078946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393622).

2078946 is an abundant number, since it is smaller than the sum of its proper divisors (2708298).

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

2078946 is a wasteful number, since it uses less digits than its factorization.

2078946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2078946 is about 1441.8550551286. The cubic root of 2078946 is about 127.6285209255.

The spelling of 2078946 in words is "two million, seventy-eight thousand, nine hundred forty-six".