2184631 has 2 divisors, whose sum is σ = 2184632. Its totient is φ = 2184630.

The previous prime is 2184617. The next prime is 2184641. The reversal of 2184631 is 1364812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2184631 - 2⁷ = 2184503 is a prime.

It is a super-2 number, since 2×2184631² = 9545225212322, which contains 22 as substring.

2184631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2184596 and 2184605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2184641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092315 + 1092316.

It is an arithmetic number, because the mean of its divisors is an integer number (1092316).

2^2184631 is an apocalyptic number.

2184631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184631 is an equidigital number, since it uses as much as digits as its factorization.

2184631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 2184631 is about 1478.0497285274. The cubic root of 2184631 is about 129.7555762296.

The spelling of 2184631 in words is "two million, one hundred eighty-four thousand, six hundred thirty-one".