2499844 has 6 divisors (see below), whose sum is σ = 4374734. Its totient is φ = 1249920.

The previous prime is 2499821. The next prime is 2499853. The reversal of 2499844 is 4489942.

2499844 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 97344 = 1550^2 + 312^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2499797 and 2499806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312477 + ... + 312484.

2^2499844 is an apocalyptic number.

It is an amenable number.

2499844 is a deficient number, since it is larger than the sum of its proper divisors (1874890).

2499844 is a wasteful number, since it uses less digits than its factorization.

2499844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624965 (or 624963 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2499844 is about 1581.0894977831. The cubic root of 2499844 is about 135.7180577767.

The spelling of 2499844 in words is "two million, four hundred ninety-nine thousand, eight hundred forty-four".