2648538 has 20 divisors (see below), whose sum is σ = 5935050. Its totient is φ = 882792.

The previous prime is 2648537. The next prime is 2648557. The reversal of 2648538 is 8358462.

2648538 is a `hidden beast` number, since 2 + 648 + 5 + 3 + 8 = 666.

2648538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 110889 = 1593^2 + 333^2 .

It is a d-powerful number, because it can be written as 2²⁰ + 6³ + 4¹⁰ + 8 + 5⁶ + 3¹² + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (2648531) 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 9 ways as a sum of consecutive naturals, for example, 8013 + ... + 8336.

2^2648538 is an apocalyptic number.

2648538 is an abundant number, since it is smaller than the sum of its proper divisors (3286512).

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

2648538 is a wasteful number, since it uses less digits than its factorization.

2648538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16363 (or 16354 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2648538 is about 1627.4329479275. The cubic root of 2648538 is about 138.3572971823.

The spelling of 2648538 in words is "two million, six hundred forty-eight thousand, five hundred thirty-eight".