65982938 has 8 divisors (see below), whose sum is σ = 113113632. Its totient is φ = 28278396.

The previous prime is 65982937. The next prime is 65982979. The reversal of 65982938 is 83928956.

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

It is a super-2 number, since 2×65982938² = 8707496214223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65982937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2356520 + ... + 2356547.

It is an arithmetic number, because the mean of its divisors is an integer number (14139204).

Almost surely, 2^65982938 is an apocalyptic number.

65982938 is a deficient number, since it is larger than the sum of its proper divisors (47130694).

65982938 is a wasteful number, since it uses less digits than its factorization.

65982938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713076.

The product of its digits is 933120, while the sum is 50.

The square root of 65982938 is about 8122.9882432514. The cubic root of 65982938 is about 404.0891750017.

The spelling of 65982938 in words is "sixty-five million, nine hundred eighty-two thousand, nine hundred thirty-eight".