64604383 has 4 divisors (see below), whose sum is σ = 65422240. Its totient is φ = 63786528.

The previous prime is 64604363. The next prime is 64604387. The reversal of 64604383 is 38340646.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64604383 - 2²¹ = 62507231 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 (64604387) 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 3 ways as a sum of consecutive naturals, for example, 408810 + ... + 408967.

It is an arithmetic number, because the mean of its divisors is an integer number (16355560).

Almost surely, 2^64604383 is an apocalyptic number.

64604383 is a deficient number, since it is larger than the sum of its proper divisors (817857).

64604383 is an equidigital number, since it uses as much as digits as its factorization.

64604383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817856.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 64604383 is about 8037.6851767160. The cubic root of 64604383 is about 401.2551883854.

The spelling of 64604383 in words is "sixty-four million, six hundred four thousand, three hundred eighty-three".