2650668 has 12 divisors (see below), whose sum is σ = 6184920. Its totient is φ = 883552.

The previous prime is 2650667. The next prime is 2650699. The reversal of 2650668 is 8660562.

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

It is a super-3 number, since 3×2650668³ = 55871104913336632896, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2650663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110433 + ... + 110456.

It is an arithmetic number, because the mean of its divisors is an integer number (515410).

2^2650668 is an apocalyptic number.

It is an amenable number.

2650668 is an abundant number, since it is smaller than the sum of its proper divisors (3534252).

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

2650668 is a wasteful number, since it uses less digits than its factorization.

2650668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220896 (or 220894 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2650668 is about 1628.0872212508. The cubic root of 2650668 is about 138.3943770199.

The spelling of 2650668 in words is "two million, six hundred fifty thousand, six hundred sixty-eight".