2666930 has 32 divisors (see below), whose sum is σ = 5667840. Its totient is φ = 884160.

The previous prime is 2666929. The next prime is 2666947. The reversal of 2666930 is 396662.

It is a super-2 number, since 2×2666930² = 14225031249800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (177120).

2^2666930 is an apocalyptic number.

2666930 is an abundant number, since it is smaller than the sum of its proper divisors (3000910).

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

2666930 is a wasteful number, since it uses less digits than its factorization.

2666930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 2666930 is about 1633.0737889024. The cubic root of 2666930 is about 138.6768193483.

The spelling of 2666930 in words is "two million, six hundred sixty-six thousand, nine hundred thirty".