2650556 has 6 divisors (see below), whose sum is σ = 4638480. Its totient is φ = 1325276.

The previous prime is 2650541. The next prime is 2650559. The reversal of 2650556 is 6550562.

2650556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650559) 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 as a sum of consecutive naturals, namely, 331316 + ... + 331323.

It is an arithmetic number, because the mean of its divisors is an integer number (773080).

2^2650556 is an apocalyptic number.

It is an amenable number.

2650556 is a deficient number, since it is larger than the sum of its proper divisors (1987924).

2650556 is a wasteful number, since it uses less digits than its factorization.

2650556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662643 (or 662641 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2650556 is about 1628.0528246958. The cubic root of 2650556 is about 138.3924277769.

The spelling of 2650556 in words is "two million, six hundred fifty thousand, five hundred fifty-six".