852662644 has 12 divisors (see below), whose sum is σ = 1492388100. Its totient is φ = 426266048.

The previous prime is 852662641. The next prime is 852662651. The reversal of 852662644 is 446266258.

852662644 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 575040400 + 277622244 = 23980^2 + 16662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 852662644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852662641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24312 + ... + 47920.

It is an arithmetic number, because the mean of its divisors is an integer number (124365675).

Almost surely, 2^852662644 is an apocalyptic number.

It is an amenable number.

852662644 is a deficient number, since it is larger than the sum of its proper divisors (639725456).

852662644 is a wasteful number, since it uses less digits than its factorization.

852662644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32642 (or 32640 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 852662644 is about 29200.3877371517. The cubic root of 852662644 is about 948.2563191491.

The spelling of 852662644 in words is "eight hundred fifty-two million, six hundred sixty-two thousand, six hundred forty-four".