2041680 has 80 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 529920.

The previous prime is 2041661. The next prime is 2041681. The reversal of 2041680 is 861402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11190 + ... + 11370.

2^2041680 is an apocalyptic number.

2041680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2041680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249792).

2041680 is an abundant number, since it is smaller than the sum of its proper divisors (4457904).

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

2041680 is a wasteful number, since it uses less digits than its factorization.

2041680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2041680 is about 1428.8736823107. The cubic root of 2041680 is about 126.8613196765.

The spelling of 2041680 in words is "two million, forty-one thousand, six hundred eighty".