2708920 has 16 divisors (see below), whose sum is σ = 6095160. Its totient is φ = 1083552.

The previous prime is 2708903. The next prime is 2708941. The reversal of 2708920 is 298072.

2708920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 33822 + ... + 33901.

2^2708920 is an apocalyptic number.

2708920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2708920 is an abundant number, since it is smaller than the sum of its proper divisors (3386240).

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

2708920 is a wasteful number, since it uses less digits than its factorization.

2708920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67734 (or 67730 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2708920 is about 1645.8797039881. The cubic root of 2708920 is about 139.4008407918.

The spelling of 2708920 in words is "two million, seven hundred eight thousand, nine hundred twenty".