2640848 has 80 divisors (see below), whose sum is σ = 6606720. Its totient is φ = 995328.

The previous prime is 2640823. The next prime is 2640853. The reversal of 2640848 is 8480462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36140 + ... + 36212.

It is an arithmetic number, because the mean of its divisors is an integer number (82584).

2^2640848 is an apocalyptic number.

2640848 is a gapful number since it is divisible by the number (28) 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 2640848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3303360).

2640848 is an abundant number, since it is smaller than the sum of its proper divisors (3965872).

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

2640848 is a wasteful number, since it uses less digits than its factorization.

2640848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 2640848 is about 1625.0686139360. The cubic root of 2640848 is about 138.2232610941.

The spelling of 2640848 in words is "two million, six hundred forty thousand, eight hundred forty-eight".