2878671 has 8 divisors (see below), whose sum is σ = 4040320. Its totient is φ = 1818072.

The previous prime is 2878639. The next prime is 2878679. The reversal of 2878671 is 1768782.

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

It is not a de Polignac number, because 2878671 - 2⁵ = 2878639 is a prime.

It is a Duffinian number.

2878671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25195 + ... + 25308.

It is an arithmetic number, because the mean of its divisors is an integer number (505040).

2^2878671 is an apocalyptic number.

2878671 is a deficient number, since it is larger than the sum of its proper divisors (1161649).

2878671 is a wasteful number, since it uses less digits than its factorization.

2878671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50525.

The product of its digits is 37632, while the sum is 39.

The square root of 2878671 is about 1696.6646692850. The cubic root of 2878671 is about 142.2538440384.

The spelling of 2878671 in words is "two million, eight hundred seventy-eight thousand, six hundred seventy-one".