2449439 has 2 divisors, whose sum is σ = 2449440. Its totient is φ = 2449438.

The previous prime is 2449417. The next prime is 2449441. The reversal of 2449439 is 9349442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2449439 - 2¹² = 2445343 is a prime.

Together with 2449441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2449399 and 2449408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2449039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224719 + 1224720.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

2^2449439 is an apocalyptic number.

2449439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449439 is an equidigital number, since it uses as much as digits as its factorization.

2449439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 2449439 is about 1565.0683691136. The cubic root of 2449439 is about 134.7996846256.

The spelling of 2449439 in words is "two million, four hundred forty-nine thousand, four hundred thirty-nine".