2716638 has 8 divisors (see below), whose sum is σ = 5433288. Its totient is φ = 905544.

The previous prime is 2716613. The next prime is 2716661. The reversal of 2716638 is 8366172.

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

2716638 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2716599 and 2716608.

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, 226381 + ... + 226392.

It is an arithmetic number, because the mean of its divisors is an integer number (679161).

2^2716638 is an apocalyptic number.

2716638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2716638 is a wasteful number, since it uses less digits than its factorization.

2716638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452778.

The product of its digits is 12096, while the sum is 33.

The square root of 2716638 is about 1648.2226791305. Note that the first 3 decimals coincide. The cubic root of 2716638 is about 139.5331045135.

The spelling of 2716638 in words is "two million, seven hundred sixteen thousand, six hundred thirty-eight".