2648471 has 4 divisors (see below), whose sum is σ = 3026832. Its totient is φ = 2270112.

The previous prime is 2648449. The next prime is 2648479. The reversal of 2648471 is 1748462.

2648471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648471 is a prime.

It is a super-3 number, since 3×2648471³ = 55732294124284173333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189170 + ... + 189183.

It is an arithmetic number, because the mean of its divisors is an integer number (756708).

2^2648471 is an apocalyptic number.

2648471 is a deficient number, since it is larger than the sum of its proper divisors (378361).

2648471 is an equidigital number, since it uses as much as digits as its factorization.

2648471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378360.

The product of its digits is 10752, while the sum is 32.

The square root of 2648471 is about 1627.4123632319. The cubic root of 2648471 is about 138.3561304987.

Subtracting from 2648471 its reverse (1748462), we obtain a palindrome (900009).

The spelling of 2648471 in words is "two million, six hundred forty-eight thousand, four hundred seventy-one".