2650986 has 24 divisors (see below), whose sum is σ = 6186180. Its totient is φ = 815616.

The previous prime is 2650981. The next prime is 2650987. The reversal of 2650986 is 6890562.

2650986 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 2 ways, for example, as 2461761 + 189225 = 1569^2 + 435^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2650986.

It is not an unprimeable number, because it can be changed into a prime (2650981) 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 11 ways as a sum of consecutive naturals, for example, 5431 + ... + 5898.

2^2650986 is an apocalyptic number.

2650986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2650986 is an abundant number, since it is smaller than the sum of its proper divisors (3535194).

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

2650986 is a wasteful number, since it uses less digits than its factorization.

2650986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350 (or 11347 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2650986 is about 1628.1848789373. The cubic root of 2650986 is about 138.3999111786.

The spelling of 2650986 in words is "two million, six hundred fifty thousand, nine hundred eighty-six".