2479843 has 4 divisors (see below), whose sum is σ = 2483208. Its totient is φ = 2476480.

The previous prime is 2479811. The next prime is 2479847. The reversal of 2479843 is 3489742.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3489742 = 2 ⋅1744871.

It is a cyclic number.

It is not a de Polignac number, because 2479843 - 2⁵ = 2479811 is a prime.

It is a super-2 number, since 2×2479843² = 12299242609298, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4² + 7⁴ + 9⁵ + 8⁷ + 4⁹ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2479847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (620802).

2^2479843 is an apocalyptic number.

2479843 is a deficient number, since it is larger than the sum of its proper divisors (3365).

2479843 is a wasteful number, since it uses less digits than its factorization.

2479843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its digits is 48384, while the sum is 37.

The square root of 2479843 is about 1574.7517264636. The cubic root of 2479843 is about 135.3551326372.

The spelling of 2479843 in words is "two million, four hundred seventy-nine thousand, eight hundred forty-three".