2683649 has 2 divisors, whose sum is σ = 2683650. Its totient is φ = 2683648.

The previous prime is 2683621. The next prime is 2683657. The reversal of 2683649 is 9463862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 552049 = 1460^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683649 - 2¹² = 2679553 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2683609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341824 + 1341825.

It is an arithmetic number, because the mean of its divisors is an integer number (1341825).

2^2683649 is an apocalyptic number.

It is an amenable number.

2683649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2683649 is an equidigital number, since it uses as much as digits as its factorization.

2683649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 2683649 is about 1638.1846660252. The cubic root of 2683649 is about 138.9660044876.

The spelling of 2683649 in words is "two million, six hundred eighty-three thousand, six hundred forty-nine".