2663872 has 28 divisors (see below), whose sum is σ = 5349240. Its totient is φ = 1316096.

The previous prime is 2663867. The next prime is 2663887. The reversal of 2663872 is 2783662.

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, 6654 + ... + 7042.

2^2663872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2663872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674620).

2663872 is an abundant number, since it is smaller than the sum of its proper divisors (2685368).

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

2663872 is a wasteful number, since it uses less digits than its factorization.

2663872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 498 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 2663872 is about 1632.1372491307. The cubic root of 2663872 is about 138.6237950965.

The spelling of 2663872 in words is "two million, six hundred sixty-three thousand, eight hundred seventy-two".