64328401 has 8 divisors (see below), whose sum is σ = 67281984. Its totient is φ = 61387920.

The previous prime is 64328393. The next prime is 64328413. The reversal of 64328401 is 10482346.

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

It is not a de Polignac number, because 64328401 - 2³ = 64328393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64328401.

It is not an unprimeable number, because it can be changed into a prime (64328431) 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, 7570 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (8410248).

Almost surely, 2^64328401 is an apocalyptic number.

It is an amenable number.

64328401 is a deficient number, since it is larger than the sum of its proper divisors (2953583).

64328401 is a wasteful number, since it uses less digits than its factorization.

64328401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64328401 is about 8020.4987999500. The cubic root of 64328401 is about 400.6830018574.

The spelling of 64328401 in words is "sixty-four million, three hundred twenty-eight thousand, four hundred one".