2646906 has 16 divisors (see below), whose sum is σ = 5437344. Its totient is φ = 858384.

The previous prime is 2646901. The next prime is 2646923. The reversal of 2646906 is 6096462.

2646906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2646906² = 14012222745672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2646901) 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, 5740 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (339834).

2^2646906 is an apocalyptic number.

2646906 is an abundant number, since it is smaller than the sum of its proper divisors (2790438).

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

2646906 is a wasteful number, since it uses less digits than its factorization.

2646906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2646906 is about 1626.9314675179. The cubic root of 2646906 is about 138.3288732615.

The spelling of 2646906 in words is "two million, six hundred forty-six thousand, nine hundred six".