65852644 has 24 divisors (see below), whose sum is σ = 135390528. Its totient is φ = 27630240.

The previous prime is 65852639. The next prime is 65852653. The reversal of 65852644 is 44625856.

It is a junction number, because it is equal to n+sod(n) for n = 65852597 and 65852606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56992 + ... + 58135.

It is an arithmetic number, because the mean of its divisors is an integer number (5641272).

Almost surely, 2^65852644 is an apocalyptic number.

It is an amenable number.

65852644 is an abundant number, since it is smaller than the sum of its proper divisors (69537884).

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

65852644 is a wasteful number, since it uses less digits than its factorization.

65852644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115155 (or 115153 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 65852644 is about 8114.9642020159. The cubic root of 65852644 is about 403.8230198905.

It can be divided in two parts, 6585 and 2644, that added together give a palindrome (9229).

The spelling of 65852644 in words is "sixty-five million, eight hundred fifty-two thousand, six hundred forty-four".