2184761 has 2 divisors, whose sum is σ = 2184762. Its totient is φ = 2184760.

The previous prime is 2184727. The next prime is 2184769. The reversal of 2184761 is 1674812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 732736 = 1205^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2184761 - 2⁶ = 2184697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2184769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092380 + 1092381.

It is an arithmetic number, because the mean of its divisors is an integer number (1092381).

2^2184761 is an apocalyptic number.

It is an amenable number.

2184761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184761 is an equidigital number, since it uses as much as digits as its factorization.

2184761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 2184761 is about 1478.0937047427. The cubic root of 2184761 is about 129.7581499503.

The spelling of 2184761 in words is "two million, one hundred eighty-four thousand, seven hundred sixty-one".