2681628 has 12 divisors (see below), whose sum is σ = 6257160. Its totient is φ = 893872.

The previous prime is 2681617. The next prime is 2681663. The reversal of 2681628 is 8261862.

2681628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2681628² = 14382257460768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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, 111723 + ... + 111746.

It is an arithmetic number, because the mean of its divisors is an integer number (521430).

2^2681628 is an apocalyptic number.

It is an amenable number.

2681628 is an abundant number, since it is smaller than the sum of its proper divisors (3575532).

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

2681628 is a wasteful number, since it uses less digits than its factorization.

2681628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223476 (or 223474 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2681628 is about 1637.5677085238. The cubic root of 2681628 is about 138.9311115954.

The spelling of 2681628 in words is "two million, six hundred eighty-one thousand, six hundred twenty-eight".