65383928 has 8 divisors (see below), whose sum is σ = 122594880. Its totient is φ = 32691960.

The previous prime is 65383919. The next prime is 65383931. The reversal of 65383928 is 82938356.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4086488 + ... + 4086503.

It is an arithmetic number, because the mean of its divisors is an integer number (15324360).

Almost surely, 2^65383928 is an apocalyptic number.

It is an amenable number.

65383928 is a deficient number, since it is larger than the sum of its proper divisors (57210952).

65383928 is a wasteful number, since it uses less digits than its factorization.

65383928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172997 (or 8172993 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 65383928 is about 8086.0328962972. The cubic root of 65383928 is about 402.8626475831.

The spelling of 65383928 in words is "sixty-five million, three hundred eighty-three thousand, nine hundred twenty-eight".