2399044 has 12 divisors (see below), whose sum is σ = 4210668. Its totient is φ = 1196000.

The previous prime is 2399041. The next prime is 2399081. The reversal of 2399044 is 4409932.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 2160900 = 488^2 + 1470^2 .

It is a super-2 number, since 2×2399044² = 11510824227872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2398997 and 2399015.

It is not an unprimeable number, because it can be changed into a prime (2399041) 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, 1194 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (350889).

2^2399044 is an apocalyptic number.

It is an amenable number.

2399044 is a deficient number, since it is larger than the sum of its proper divisors (1811624).

2399044 is a wasteful number, since it uses less digits than its factorization.

2399044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2399044 is about 1548.8847600774. The cubic root of 2399044 is about 133.8688104916.

The spelling of 2399044 in words is "two million, three hundred ninety-nine thousand, forty-four".