65996938 has 8 divisors (see below), whose sum is σ = 113137632. Its totient is φ = 28284396.

The previous prime is 65996933. The next prime is 65996939. The reversal of 65996938 is 83969956.

65996938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65996933) 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 3 ways as a sum of consecutive naturals, for example, 2357020 + ... + 2357047.

It is an arithmetic number, because the mean of its divisors is an integer number (14142204).

Almost surely, 2^65996938 is an apocalyptic number.

65996938 is a deficient number, since it is larger than the sum of its proper divisors (47140694).

65996938 is a wasteful number, since it uses less digits than its factorization.

65996938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714076.

The product of its digits is 3149280, while the sum is 55.

The square root of 65996938 is about 8123.8499493775. The cubic root of 65996938 is about 404.1177523307.

The spelling of 65996938 in words is "sixty-five million, nine hundred ninety-six thousand, nine hundred thirty-eight".