2648687 has 4 divisors (see below), whose sum is σ = 2693640. Its totient is φ = 2603736.

The previous prime is 2648677. The next prime is 2648693. The reversal of 2648687 is 7868462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2648687 - 2⁶ = 2648623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22388 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (673410).

2^2648687 is an apocalyptic number.

2648687 is a deficient number, since it is larger than the sum of its proper divisors (44953).

2648687 is an equidigital number, since it uses as much as digits as its factorization.

2648687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44952.

The product of its digits is 129024, while the sum is 41.

The square root of 2648687 is about 1627.4787248993. The cubic root of 2648687 is about 138.3598916766.

The spelling of 2648687 in words is "two million, six hundred forty-eight thousand, six hundred eighty-seven".