2648940 has 144 divisors (see below), whose sum is σ = 9307872. Its totient is φ = 559104.

The previous prime is 2648917. The next prime is 2648953. The reversal of 2648940 is 498462.

2648940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 49954 + ... + 50006.

It is an arithmetic number, because the mean of its divisors is an integer number (64638).

2^2648940 is an apocalyptic number.

2648940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2648940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4653936).

2648940 is an abundant number, since it is smaller than the sum of its proper divisors (6658932).

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

2648940 is a wasteful number, since it uses less digits than its factorization.

2648940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2648940 is about 1627.5564506339. The cubic root of 2648940 is about 138.3642968704.

The spelling of 2648940 in words is "two million, six hundred forty-eight thousand, nine hundred forty".