2646841 has 2 divisors, whose sum is σ = 2646842. Its totient is φ = 2646840.

The previous prime is 2646803. The next prime is 2646881. The reversal of 2646841 is 1486462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 1218816 = 1195^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646841 - 2¹⁹ = 2122553 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 4⁵ + 6⁵ + 8⁷ + 4⁷ + 1 .

It is not a weakly prime, because it can be changed into another prime (2646881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323420 + 1323421.

It is an arithmetic number, because the mean of its divisors is an integer number (1323421).

2^2646841 is an apocalyptic number.

It is an amenable number.

2646841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646841 is an equidigital number, since it uses as much as digits as its factorization.

2646841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 2646841 is about 1626.9114911390. The cubic root of 2646841 is about 138.3277409394.

The spelling of 2646841 in words is "two million, six hundred forty-six thousand, eight hundred forty-one".