65982408 has 32 divisors (see below), whose sum is σ = 165255360. Its totient is φ = 21954240.

The previous prime is 65982401. The next prime is 65982409. The reversal of 65982408 is 80428956.

It is a self number, because there is not a number n which added to its sum of digits gives 65982408.

It is not an unprimeable number, because it can be changed into a prime (65982401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12966 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (5164230).

Almost surely, 2^65982408 is an apocalyptic number.

It is an amenable number.

65982408 is an abundant number, since it is smaller than the sum of its proper divisors (99272952).

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

65982408 is a wasteful number, since it uses less digits than its factorization.

65982408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 65982408 is about 8122.9556197236. The cubic root of 65982408 is about 404.0880930663.

The spelling of 65982408 in words is "sixty-five million, nine hundred eighty-two thousand, four hundred eight".