65244936 has 64 divisors (see below), whose sum is σ = 172800000. Its totient is φ = 20471616.

The previous prime is 65244931. The next prime is 65244989. The reversal of 65244936 is 63944256.

65244936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65244894 and 65244903.

It is not an unprimeable number, because it can be changed into a prime (65244931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90385 + ... + 91103.

It is an arithmetic number, because the mean of its divisors is an integer number (2700000).

Almost surely, 2^65244936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65244936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86400000).

65244936 is an abundant number, since it is smaller than the sum of its proper divisors (107555064).

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

65244936 is a wasteful number, since it uses less digits than its factorization.

65244936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 942 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 65244936 is about 8077.4337508890. The cubic root of 65244936 is about 402.5769789626.

Adding to 65244936 its product of digits (155520), we get a palindrome (65400456).

The spelling of 65244936 in words is "sixty-five million, two hundred forty-four thousand, nine hundred thirty-six".