2479844 has 12 divisors (see below), whose sum is σ = 4445868. Its totient is φ = 1209600.

The previous prime is 2479811. The next prime is 2479847. The reversal of 2479844 is 4489742.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 2190400 = 538^2 + 1480^2 .

It is a super-2 number, since 2×2479844² = 12299252528672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2479798 and 2479807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479847) 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, 7397 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (370489).

2^2479844 is an apocalyptic number.

It is an amenable number.

2479844 is a deficient number, since it is larger than the sum of its proper divisors (1966024).

2479844 is a wasteful number, since it uses less digits than its factorization.

2479844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166 (or 15164 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 2479844 is about 1574.7520439739. The cubic root of 2479844 is about 135.3551508312.

It can be divided in two parts, 247984 and 4, that multiplied together give a triangular number (991936 = T₁₄₀₈).

The spelling of 2479844 in words is "two million, four hundred seventy-nine thousand, eight hundred forty-four".