2648399 has 6 divisors (see below), whose sum is σ = 2867976. Its totient is φ = 2444520.

The previous prime is 2648383. The next prime is 2648419. The reversal of 2648399 is 9938462.

It is a happy number.

2648399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2648399 - 2⁴ = 2648383 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6 + 4 + 8⁷ + 3⁹ + 9² + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648369) 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 5 ways as a sum of consecutive naturals, for example, 7667 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (477996).

2^2648399 is an apocalyptic number.

2648399 is a deficient number, since it is larger than the sum of its proper divisors (219577).

2648399 is a wasteful number, since it uses less digits than its factorization.

2648399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15697 (or 15684 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 2648399 is about 1627.3902420747. The cubic root of 2648399 is about 138.3548767273.

The spelling of 2648399 in words is "two million, six hundred forty-eight thousand, three hundred ninety-nine".