2631879 has 16 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1736280.

The previous prime is 2631851. The next prime is 2631887. The reversal of 2631879 is 9781362.

It is not a de Polignac number, because 2631879 - 2¹⁵ = 2599111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

2^2631879 is an apocalyptic number.

2631879 is a deficient number, since it is larger than the sum of its proper divisors (1307961).

2631879 is a wasteful number, since it uses less digits than its factorization.

2631879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2631879 is about 1622.3066911038. The cubic root of 2631879 is about 138.0666030109.

The spelling of 2631879 in words is "two million, six hundred thirty-one thousand, eight hundred seventy-nine".