2449939 has 2 divisors, whose sum is σ = 2449940. Its totient is φ = 2449938.

The previous prime is 2449933. The next prime is 2449963. The reversal of 2449939 is 9399442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2449939 - 2⁵ = 2449907 is a prime.

It is a super-2 number, since 2×2449939² = 12004402207442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2449933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224969 + 1224970.

It is an arithmetic number, because the mean of its divisors is an integer number (1224970).

2^2449939 is an apocalyptic number.

2449939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449939 is an equidigital number, since it uses as much as digits as its factorization.

2449939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 2449939 is about 1565.2280983933. The cubic root of 2449939 is about 134.8088561484.

The spelling of 2449939 in words is "two million, four hundred forty-nine thousand, nine hundred thirty-nine".