65683438 has 8 divisors (see below), whose sum is σ = 99115632. Its totient is φ = 32644896.

The previous prime is 65683433. The next prime is 65683439. The reversal of 65683438 is 83438656.

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

It is a junction number, because it is equal to n+sod(n) for n = 65683394 and 65683403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65683433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97995 + ... + 98662.

It is an arithmetic number, because the mean of its divisors is an integer number (12389454).

Almost surely, 2^65683438 is an apocalyptic number.

65683438 is a deficient number, since it is larger than the sum of its proper divisors (33432194).

65683438 is a wasteful number, since it uses less digits than its factorization.

65683438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196826.

The product of its digits is 414720, while the sum is 43.

The square root of 65683438 is about 8104.5319420680. The cubic root of 65683438 is about 403.4768536591.

The spelling of 65683438 in words is "sixty-five million, six hundred eighty-three thousand, four hundred thirty-eight".