2646530 has 16 divisors (see below), whose sum is σ = 4783104. Its totient is φ = 1054320.

The previous prime is 2646517. The next prime is 2646533. The reversal of 2646530 is 356462.

It is a self number, because there is not a number n which added to its sum of digits gives 2646530.

It is not an unprimeable number, because it can be changed into a prime (2646533) 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, 3485 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (298944).

2^2646530 is an apocalyptic number.

2646530 is a deficient number, since it is larger than the sum of its proper divisors (2136574).

2646530 is a wasteful number, since it uses less digits than its factorization.

2646530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2646530 is about 1626.8159084543. The cubic root of 2646530 is about 138.3223229572.

The spelling of 2646530 in words is "two million, six hundred forty-six thousand, five hundred thirty".