64328395 has 24 divisors (see below), whose sum is σ = 82350864. Its totient is φ = 48230208.

The previous prime is 64328393. The next prime is 64328413. The reversal of 64328395 is 59382346.

It is not a de Polignac number, because 64328395 - 2¹ = 64328393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64328393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283272 + ... + 283498.

It is an arithmetic number, because the mean of its divisors is an integer number (3431286).

Almost surely, 2^64328395 is an apocalyptic number.

64328395 is a deficient number, since it is larger than the sum of its proper divisors (18022469).

64328395 is a wasteful number, since it uses less digits than its factorization.

64328395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 408 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 64328395 is about 8020.4984259085. The cubic root of 64328395 is about 400.6829894000.

The spelling of 64328395 in words is "sixty-four million, three hundred twenty-eight thousand, three hundred ninety-five".