2666928 has 40 divisors (see below), whose sum is σ = 7517376. Its totient is φ = 808000.

The previous prime is 2666891. The next prime is 2666929. The reversal of 2666928 is 8296662.

It is a super-2 number, since 2×2666928² = 14225009914368, which contains 22 as substring.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2666929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 3053.

2^2666928 is an apocalyptic number.

It is an amenable number.

2666928 is an abundant number, since it is smaller than the sum of its proper divisors (4850448).

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

2666928 is a wasteful number, since it uses less digits than its factorization.

2666928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5067 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 2666928 is about 1633.0731765601. The cubic root of 2666928 is about 138.6767846825.

The spelling of 2666928 in words is "two million, six hundred sixty-six thousand, nine hundred twenty-eight".