2646522 has 12 divisors (see below), whose sum is σ = 5734170. Its totient is φ = 882168.

The previous prime is 2646517. The next prime is 2646533. The reversal of 2646522 is 2256462.

2646522 is a `hidden beast` number, since 2 + 6 + 4 + 652 + 2 = 666.

2646522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1798281 + 848241 = 1341^2 + 921^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 73497 + ... + 73532.

2^2646522 is an apocalyptic number.

2646522 is an abundant number, since it is smaller than the sum of its proper divisors (3087648).

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

2646522 is a wasteful number, since it uses less digits than its factorization.

2646522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147037 (or 147034 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2646522 is about 1626.8134496616. The cubic root of 2646522 is about 138.3221835822.

It can be divided in two parts, 264 and 6522, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 2646522 in words is "two million, six hundred forty-six thousand, five hundred twenty-two".