2668860 has 36 divisors (see below), whose sum is σ = 8096088. Its totient is φ = 711648.

The previous prime is 2668849. The next prime is 2668877. The reversal of 2668860 is 688662.

2668860 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁹ + 6² + 6³ + 8³ + 8⁷ + 6⁶ + 0 .

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 11 ways as a sum of consecutive naturals, for example, 7234 + ... + 7593.

2^2668860 is an apocalyptic number.

2668860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668860 is an abundant number, since it is smaller than the sum of its proper divisors (5427228).

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

2668860 is a wasteful number, since it uses less digits than its factorization.

2668860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842 (or 14837 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2668860 is about 1633.6645922588. The cubic root of 2668860 is about 138.7102637611.

It can be divided in two parts, 26 and 68860, that added together give a palindrome (68886).

The spelling of 2668860 in words is "two million, six hundred sixty-eight thousand, eight hundred sixty".