64104403 has 8 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 58223880.

The previous prime is 64104389. The next prime is 64104421. The reversal of 64104403 is 30440146.

It is a happy number.

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

It is not a de Polignac number, because 64104403 - 2¹³ = 64096211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64104493) 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, 15378 + ... + 19096.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^64104403 is an apocalyptic number.

64104403 is a deficient number, since it is larger than the sum of its proper divisors (5891117).

64104403 is a wasteful number, since it uses less digits than its factorization.

64104403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64104403 is about 8006.5225285388. The cubic root of 64104403 is about 400.2173880846.

Adding to 64104403 its reverse (30440146), we get a palindrome (94544549).

The spelling of 64104403 in words is "sixty-four million, one hundred four thousand, four hundred three".