65835984 has 20 divisors (see below), whose sum is σ = 170076416. Its totient is φ = 21945312.

The previous prime is 65835977. The next prime is 65835989. The reversal of 65835984 is 48953856.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1371583 = 65835984 / (6 + 5 + 8 + 3 + 5 + 9 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65835989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685744 + ... + 685839.

Almost surely, 2^65835984 is an apocalyptic number.

It is an amenable number.

65835984 is an abundant number, since it is smaller than the sum of its proper divisors (104240432).

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

65835984 is a wasteful number, since it uses less digits than its factorization.

65835984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371594 (or 1371588 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 65835984 is about 8113.9376384096. The cubic root of 65835984 is about 403.7889627465.

The spelling of 65835984 in words is "sixty-five million, eight hundred thirty-five thousand, nine hundred eighty-four".