65328636 has 48 divisors (see below), whose sum is σ = 155965824. Its totient is φ = 21278016.

The previous prime is 65328617. The next prime is 65328661. The reversal of 65328636 is 63682356.

It is a happy number.

Its product of digits (155520) is a multiple of the sum of its prime factors (810).

It is a junction number, because it is equal to n+sod(n) for n = 65328594 and 65328603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106266 + ... + 106878.

It is an arithmetic number, because the mean of its divisors is an integer number (3249288).

Almost surely, 2^65328636 is an apocalyptic number.

It is an amenable number.

65328636 is an abundant number, since it is smaller than the sum of its proper divisors (90637188).

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

65328636 is a wasteful number, since it uses less digits than its factorization.

65328636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

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

The square root of 65328636 is about 8082.6131912891. The cubic root of 65328636 is about 402.7490551243.

The spelling of 65328636 in words is "sixty-five million, three hundred twenty-eight thousand, six hundred thirty-six".