2668949 has 8 divisors (see below), whose sum is σ = 2975040. Its totient is φ = 2379456.

The previous prime is 2668931. The next prime is 2668993. The reversal of 2668949 is 9498662.

2668949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2668949 - 2⁸ = 2668693 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (371880).

2^2668949 is an apocalyptic number.

It is an amenable number.

2668949 is a deficient number, since it is larger than the sum of its proper divisors (306091).

2668949 is a wasteful number, since it uses less digits than its factorization.

2668949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299.

The product of its digits is 186624, while the sum is 44.

The square root of 2668949 is about 1633.6918314052. The cubic root of 2668949 is about 138.7118056275.

The spelling of 2668949 in words is "two million, six hundred sixty-eight thousand, nine hundred forty-nine".