2680920 has 96 divisors (see below), whose sum is σ = 9519120. Its totient is φ = 648960.

The previous prime is 2680907. The next prime is 2680943. The reversal of 2680920 is 290862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3622 + ... + 4298.

2^2680920 is an apocalyptic number.

2680920 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 2680920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4759560).

2680920 is an abundant number, since it is smaller than the sum of its proper divisors (6838200).

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

2680920 is a wasteful number, since it uses less digits than its factorization.

2680920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2680920 is about 1637.3515199859. The cubic root of 2680920 is about 138.9188837144.

It can be divided in two parts, 2680 and 920, that added together give a square (3600 = 60²).

The spelling of 2680920 in words is "two million, six hundred eighty thousand, nine hundred twenty".