2471879 has 4 divisors (see below), whose sum is σ = 2579376. Its totient is φ = 2364384.

The previous prime is 2471869. The next prime is 2471899. The reversal of 2471879 is 9781742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9781742 = 2 ⋅4890871.

It is a cyclic number.

It is not a de Polignac number, because 2471879 - 2⁴ = 2471863 is a prime.

It is a super-2 number, since 2×2471879² = 12220371581282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471809) 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, 53714 + ... + 53759.

It is an arithmetic number, because the mean of its divisors is an integer number (644844).

2^2471879 is an apocalyptic number.

2471879 is a deficient number, since it is larger than the sum of its proper divisors (107497).

2471879 is a wasteful number, since it uses less digits than its factorization.

2471879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107496.

The product of its digits is 28224, while the sum is 38.

The square root of 2471879 is about 1572.2210404393. The cubic root of 2471879 is about 135.2100798654.

The spelling of 2471879 in words is "two million, four hundred seventy-one thousand, eight hundred seventy-nine".