64004369 has 16 divisors (see below), whose sum is σ = 79154880. Its totient is φ = 50880960.

The previous prime is 64004333. The next prime is 64004387. The reversal of 64004369 is 96340046.

It is not a de Polignac number, because 64004369 - 2¹² = 64000273 is a prime.

It is a super-2 number, since 2×64004369² = 8193118502176322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64004309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9062 + ... + 14495.

It is an arithmetic number, because the mean of its divisors is an integer number (4947180).

Almost surely, 2^64004369 is an apocalyptic number.

It is an amenable number.

64004369 is a deficient number, since it is larger than the sum of its proper divisors (15150511).

64004369 is a wasteful number, since it uses less digits than its factorization.

64004369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 64004369 is about 8000.2730578400. The cubic root of 64004369 is about 400.0091018762.

The spelling of 64004369 in words is "sixty-four million, four thousand, three hundred sixty-nine".