65384832 has 64 divisors (see below), whose sum is σ = 177957360. Its totient is φ = 21258240.

The previous prime is 65384789. The next prime is 65384861. The reversal of 65384832 is 23848356.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13668 + ... + 17820.

Almost surely, 2^65384832 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 65384832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88978680).

65384832 is an abundant number, since it is smaller than the sum of its proper divisors (112572528).

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

65384832 is a wasteful number, since it uses less digits than its factorization.

65384832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4199 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 65384832 is about 8086.0887949614. The cubic root of 65384832 is about 402.8645042379.

The spelling of 65384832 in words is "sixty-five million, three hundred eighty-four thousand, eight hundred thirty-two".