2668558 has 8 divisors (see below), whose sum is σ = 4238352. Its totient is φ = 1255776.

The previous prime is 2668553. The next prime is 2668559. The reversal of 2668558 is 8558662.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2668558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668553) 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, 39210 + ... + 39277.

It is an arithmetic number, because the mean of its divisors is an integer number (529794).

2^2668558 is an apocalyptic number.

2668558 is a deficient number, since it is larger than the sum of its proper divisors (1569794).

2668558 is a wasteful number, since it uses less digits than its factorization.

2668558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78506.

The product of its digits is 115200, while the sum is 40.

The square root of 2668558 is about 1633.5721594102. The cubic root of 2668558 is about 138.7050315546.

The spelling of 2668558 in words is "two million, six hundred sixty-eight thousand, five hundred fifty-eight".