2628860 has 24 divisors (see below), whose sum is σ = 5945856. Its totient is φ = 970560.

The previous prime is 2628839. The next prime is 2628889. The reversal of 2628860 is 688262.

2628860 = T₄₅₆ + T₄₅₇ + ... + T₄₇₉.

It is a happy number.

2628860 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 7 ways as a sum of consecutive naturals, for example, 4796 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (247744).

2^2628860 is an apocalyptic number.

2628860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628860 is an abundant number, since it is smaller than the sum of its proper divisors (3316996).

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

2628860 is a wasteful number, since it uses less digits than its factorization.

2628860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10131 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2628860 is about 1621.3759588695. The cubic root of 2628860 is about 138.0137912423.

The spelling of 2628860 in words is "two million, six hundred twenty-eight thousand, eight hundred sixty".