64838271 has 8 divisors (see below), whose sum is σ = 86488240. Its totient is φ = 43206912.

The previous prime is 64838233. The next prime is 64838297. The reversal of 64838271 is 17283846.

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

It is not a de Polignac number, because 64838271 - 2¹⁰ = 64837247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64838201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11145 + ... + 15933.

It is an arithmetic number, because the mean of its divisors is an integer number (10811030).

Almost surely, 2^64838271 is an apocalyptic number.

64838271 is a deficient number, since it is larger than the sum of its proper divisors (21649969).

64838271 is a wasteful number, since it uses less digits than its factorization.

64838271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305.

The product of its digits is 64512, while the sum is 39.

The square root of 64838271 is about 8052.2214947181. The cubic root of 64838271 is about 401.7388281554.

The spelling of 64838271 in words is "sixty-four million, eight hundred thirty-eight thousand, two hundred seventy-one".