2471878 has 8 divisors (see below), whose sum is σ = 3827520. Its totient is φ = 1196040.

The previous prime is 2471869. The next prime is 2471899. The reversal of 2471878 is 8781742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2471878² = 12220361693768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19873 + ... + 19996.

It is an arithmetic number, because the mean of its divisors is an integer number (478440).

2^2471878 is an apocalyptic number.

2471878 is a deficient number, since it is larger than the sum of its proper divisors (1355642).

2471878 is a wasteful number, since it uses less digits than its factorization.

2471878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39902.

The product of its digits is 25088, while the sum is 37.

The square root of 2471878 is about 1572.2207224178. The cubic root of 2471878 is about 135.2100616323.

The spelling of 2471878 in words is "two million, four hundred seventy-one thousand, eight hundred seventy-eight".