2646306 has 48 divisors (see below), whose sum is σ = 6342336. Its totient is φ = 792288.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646306 is 6036462.

2646306 is a `hidden beast` number, since 26 + 4 + 630 + 6 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2646306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9931 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (132132).

2^2646306 is an apocalyptic number.

2646306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171168).

2646306 is an abundant number, since it is smaller than the sum of its proper divisors (3696030).

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

2646306 is a wasteful number, since it uses less digits than its factorization.

2646306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2646306 is about 1626.7470608549. The cubic root of 2646306 is about 138.3184203533.

The spelling of 2646306 in words is "two million, six hundred forty-six thousand, three hundred six".