2141668 has 12 divisors (see below), whose sum is σ = 3911040. Its totient is φ = 1024232.

The previous prime is 2141653. The next prime is 2141669. The reversal of 2141668 is 8661412.

It is not an unprimeable number, because it can be changed into a prime (2141669) 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, 11548 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (325920).

2^2141668 is an apocalyptic number.

It is an amenable number.

2141668 is a deficient number, since it is larger than the sum of its proper divisors (1769372).

2141668 is a wasteful number, since it uses less digits than its factorization.

2141668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23306 (or 23304 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2141668 is about 1463.4438834475. The cubic root of 2141668 is about 128.8993465994.

It can be divided in two parts, 2141 and 668, that added together give a square (2809 = 53²).

The spelling of 2141668 in words is "two million, one hundred forty-one thousand, six hundred sixty-eight".