2040668 has 24 divisors (see below), whose sum is σ = 4214784. Its totient is φ = 846000.

The previous prime is 2040653. The next prime is 2040679. The reversal of 2040668 is 8660402.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (175616).

2^2040668 is an apocalyptic number.

2040668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2040668 is an abundant number, since it is smaller than the sum of its proper divisors (2174116).

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

2040668 is a wasteful number, since it uses less digits than its factorization.

2040668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2040668 is about 1428.5195133424. The cubic root of 2040668 is about 126.8403557525.

The spelling of 2040668 in words is "two million, forty thousand, six hundred sixty-eight".