65984849 has 8 divisors (see below), whose sum is σ = 75461568. Its totient is φ = 56520720.

The previous prime is 65984839. The next prime is 65984857. The reversal of 65984849 is 94848956.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65984849 - 2¹² = 65980753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65984849.

It is not an unprimeable number, because it can be changed into a prime (65984839) 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, 15359 + ... + 19179.

It is an arithmetic number, because the mean of its divisors is an integer number (9432696).

Almost surely, 2^65984849 is an apocalyptic number.

It is an amenable number.

65984849 is a deficient number, since it is larger than the sum of its proper divisors (9476719).

65984849 is a wasteful number, since it uses less digits than its factorization.

65984849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295.

The product of its digits is 2488320, while the sum is 53.

The square root of 65984849 is about 8123.1058715248. The cubic root of 65984849 is about 404.0930760454.

The spelling of 65984849 in words is "sixty-five million, nine hundred eighty-four thousand, eight hundred forty-nine".