2180941 has 12 divisors (see below), whose sum is σ = 2593728. Its totient is φ = 1827672.

The previous prime is 2180923. The next prime is 2180957. The reversal of 2180941 is 1490812.

It is a happy number.

It is not a de Polignac number, because 2180941 - 2⁷ = 2180813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1830 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (216144).

2^2180941 is an apocalyptic number.

It is an amenable number.

2180941 is a deficient number, since it is larger than the sum of its proper divisors (412787).

2180941 is an equidigital number, since it uses as much as digits as its factorization.

2180941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2180941 is about 1476.8009344526. The cubic root of 2180941 is about 129.6824795366.

Subtracting from 2180941 its sum of digits (25), we obtain a triangular number (2180916 = T₂₀₈₈).

The spelling of 2180941 in words is "two million, one hundred eighty thousand, nine hundred forty-one".