2631128 has 8 divisors (see below), whose sum is σ = 4933380. Its totient is φ = 1315560.

The previous prime is 2631103. The next prime is 2631133. The reversal of 2631128 is 8211362.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164438 + ... + 164453.

2^2631128 is an apocalyptic number.

It is an amenable number.

2631128 is a deficient number, since it is larger than the sum of its proper divisors (2302252).

2631128 is a wasteful number, since it uses less digits than its factorization.

2631128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328897 (or 328893 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 2631128 is about 1622.0752140391. The cubic root of 2631128 is about 138.0534694432.

The spelling of 2631128 in words is "two million, six hundred thirty-one thousand, one hundred twenty-eight".