65984336 has 40 divisors (see below), whose sum is σ = 141178464. Its totient is φ = 29624960.

The previous prime is 65984329. The next prime is 65984339. The reversal of 65984336 is 63348956.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65984339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12350 + ... + 16866.

Almost surely, 2^65984336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65984336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70589232).

65984336 is an abundant number, since it is smaller than the sum of its proper divisors (75194128).

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

65984336 is a wasteful number, since it uses less digits than its factorization.

65984336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619 (or 4613 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 65984336 is about 8123.0742948714. The cubic root of 65984336 is about 404.0920288338.

The spelling of 65984336 in words is "sixty-five million, nine hundred eighty-four thousand, three hundred thirty-six".