2886638 has 8 divisors (see below), whose sum is σ = 4518288. Its totient is φ = 1380544.

The previous prime is 2886619. The next prime is 2886643. The reversal of 2886638 is 8366882.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2886595 and 2886604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31331 + ... + 31422.

It is an arithmetic number, because the mean of its divisors is an integer number (564786).

2^2886638 is an apocalyptic number.

2886638 is a deficient number, since it is larger than the sum of its proper divisors (1631650).

2886638 is a wasteful number, since it uses less digits than its factorization.

2886638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62778.

The product of its digits is 110592, while the sum is 41.

The square root of 2886638 is about 1699.0108887232. The cubic root of 2886638 is about 142.3849569073.

The spelling of 2886638 in words is "two million, eight hundred eighty-six thousand, six hundred thirty-eight".