2648920 has 32 divisors (see below), whose sum is σ = 6091200. Its totient is φ = 1036288.

The previous prime is 2648917. The next prime is 2648953. The reversal of 2648920 is 298462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (190350).

2^2648920 is an apocalyptic number.

2648920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2648920 is the 940-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2648920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045600).

2648920 is an abundant number, since it is smaller than the sum of its proper divisors (3442280).

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

2648920 is a wasteful number, since it uses less digits than its factorization.

2648920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2648920 is about 1627.5503064422. The cubic root of 2648920 is about 138.3639486439.

The spelling of 2648920 in words is "two million, six hundred forty-eight thousand, nine hundred twenty".