2641650 has 48 divisors (see below), whose sum is σ = 7151328. Its totient is φ = 640000.

The previous prime is 2641649. The next prime is 2641657. The reversal of 2641650 is 561462.

2641650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2641650.

It is not an unprimeable number, because it can be changed into a prime (2641657) 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 23 ways as a sum of consecutive naturals, for example, 850 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (148986).

2^2641650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2641650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575664).

2641650 is an abundant number, since it is smaller than the sum of its proper divisors (4509678).

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

2641650 is a wasteful number, since it uses less digits than its factorization.

2641650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2641650 is about 1625.3153540160. The cubic root of 2641650 is about 138.2372520338.

It can be divided in two parts, 264 and 1650, that multiplied together give a square (435600 = 660²).

The spelling of 2641650 in words is "two million, six hundred forty-one thousand, six hundred fifty".