2878611 has 8 divisors (see below), whose sum is σ = 4005120. Its totient is φ = 1835592.

The previous prime is 2878597. The next prime is 2878613. The reversal of 2878611 is 1168782.

It is a happy number.

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

It is not a de Polignac number, because 2878611 - 2¹⁴ = 2862227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2878613) 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 7 ways as a sum of consecutive naturals, for example, 20791 + ... + 20928.

It is an arithmetic number, because the mean of its divisors is an integer number (500640).

2^2878611 is an apocalyptic number.

2878611 is a deficient number, since it is larger than the sum of its proper divisors (1126509).

2878611 is a wasteful number, since it uses less digits than its factorization.

2878611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41745.

The product of its digits is 5376, while the sum is 33.

The square root of 2878611 is about 1696.6469874432. The cubic root of 2878611 is about 142.2528557015.

The spelling of 2878611 in words is "two million, eight hundred seventy-eight thousand, six hundred eleven".