2439244 has 12 divisors (see below), whose sum is σ = 4282600. Its totient is φ = 1215648.

The previous prime is 2439221. The next prime is 2439247. The reversal of 2439244 is 4429342.

It is a super-2 number, since 2×2439244² = 11899822583072, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁵ + 3¹¹ + 9² + 2²¹ + 4⁷ + 4⁷ .

It is not an unprimeable number, because it can be changed into a prime (2439247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712 + ... + 2320.

2^2439244 is an apocalyptic number.

It is an amenable number.

2439244 is a deficient number, since it is larger than the sum of its proper divisors (1843356).

2439244 is a wasteful number, since it uses less digits than its factorization.

2439244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 2439244 is about 1561.8079267311. The cubic root of 2439244 is about 134.6124044803.

The spelling of 2439244 in words is "two million, four hundred thirty-nine thousand, two hundred forty-four".