65984328 has 32 divisors (see below), whose sum is σ = 183290400. Its totient is φ = 21994704.

The previous prime is 65984323. The next prime is 65984329. The reversal of 65984328 is 82348956.

It is a super-2 number, since 2×65984328² = 8707863083223168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65984323) 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, 152526 + ... + 152957.

It is an arithmetic number, because the mean of its divisors is an integer number (5727825).

Almost surely, 2^65984328 is an apocalyptic number.

It is an amenable number.

65984328 is an abundant number, since it is smaller than the sum of its proper divisors (117306072).

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

65984328 is a wasteful number, since it uses less digits than its factorization.

65984328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305498 (or 305488 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 65984328 is about 8123.0738024470. The cubic root of 65984328 is about 404.0920125030.

The spelling of 65984328 in words is "sixty-five million, nine hundred eighty-four thousand, three hundred twenty-eight".