2183481 has 24 divisors (see below), whose sum is σ = 3319680. Its totient is φ = 1381536.

The previous prime is 2183471. The next prime is 2183501. The reversal of 2183481 is 1843812.

2183481 is a `hidden beast` number, since 2 + 183 + 481 = 666.

It is not a de Polignac number, because 2183481 - 2⁶ = 2183417 is a prime.

It is a super-2 number, since 2×2183481² = 9535178554722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2183431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26266 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (138320).

2^2183481 is an apocalyptic number.

It is an amenable number.

2183481 is a deficient number, since it is larger than the sum of its proper divisors (1136199).

2183481 is a wasteful number, since it uses less digits than its factorization.

2183481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 2183481 is about 1477.6606511645. The cubic root of 2183481 is about 129.7328042522.

The spelling of 2183481 in words is "two million, one hundred eighty-three thousand, four hundred eighty-one".