2449639 has 2 divisors, whose sum is σ = 2449640. Its totient is φ = 2449638.

The previous prime is 2449619. The next prime is 2449663. The reversal of 2449639 is 9369442.

2449639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2449639 - 2¹⁵ = 2416871 is a prime.

It is a Chen prime.

2449639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2449598 and 2449607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2449609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224819 + 1224820.

It is an arithmetic number, because the mean of its divisors is an integer number (1224820).

2^2449639 is an apocalyptic number.

2449639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449639 is an equidigital number, since it uses as much as digits as its factorization.

2449639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 2449639 is about 1565.1322627816. The cubic root of 2449639 is about 134.8033533845.

The spelling of 2449639 in words is "two million, four hundred forty-nine thousand, six hundred thirty-nine".