2144668 has 24 divisors (see below), whose sum is σ = 3955952. Its totient is φ = 1016064.

The previous prime is 2144647. The next prime is 2144671. The reversal of 2144668 is 8664412.

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, 6196 + ... + 6532.

2^2144668 is an apocalyptic number.

It is an amenable number.

2144668 is a deficient number, since it is larger than the sum of its proper divisors (1811284).

2144668 is a wasteful number, since it uses less digits than its factorization.

2144668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2144668 is about 1464.4685042704. The cubic root of 2144668 is about 128.9595049465.

The spelling of 2144668 in words is "two million, one hundred forty-four thousand, six hundred sixty-eight".