2183961 has 16 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 1296960.

The previous prime is 2183959. The next prime is 2183963. The reversal of 2183961 is 1693812.

It is an interprime number because it is at equal distance from previous prime (2183959) and next prime (2183963).

It is not a de Polignac number, because 2183961 - 2¹ = 2183959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2183963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^2183961 is an apocalyptic number.

It is an amenable number.

2183961 is a deficient number, since it is larger than the sum of its proper divisors (1061799).

2183961 is a wasteful number, since it uses less digits than its factorization.

2183961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its digits is 2592, while the sum is 30.

The square root of 2183961 is about 1477.8230611274. The cubic root of 2183961 is about 129.7423100495.

The spelling of 2183961 in words is "two million, one hundred eighty-three thousand, nine hundred sixty-one".