64085449 has 8 divisors (see below), whose sum is σ = 64782720. Its totient is φ = 63391776.

The previous prime is 64085377. The next prime is 64085453. The reversal of 64085449 is 94458046.

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 64085449 - 2¹¹ = 64083401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64085149) 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, 48532 + ... + 49834.

It is an arithmetic number, because the mean of its divisors is an integer number (8097840).

Almost surely, 2^64085449 is an apocalyptic number.

It is an amenable number.

64085449 is a deficient number, since it is larger than the sum of its proper divisors (697271).

64085449 is a wasteful number, since it uses less digits than its factorization.

64085449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 64085449 is about 8005.3387810885. The cubic root of 64085449 is about 400.1779395820.

The spelling of 64085449 in words is "sixty-four million, eighty-five thousand, four hundred forty-nine".