64838401 has 8 divisors (see below), whose sum is σ = 65650464. Its totient is φ = 64031520.

The previous prime is 64838377. The next prime is 64838419. The reversal of 64838401 is 10483846.

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

It is a cyclic number.

It is not a de Polignac number, because 64838401 - 2⁹ = 64837889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64838441) 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, 27786 + ... + 30028.

It is an arithmetic number, because the mean of its divisors is an integer number (8206308).

Almost surely, 2^64838401 is an apocalyptic number.

It is an amenable number.

64838401 is a deficient number, since it is larger than the sum of its proper divisors (812063).

64838401 is a wasteful number, since it uses less digits than its factorization.

64838401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 64838401 is about 8052.2295670206. The cubic root of 64838401 is about 401.7390966491.

It can be divided in two parts, 6483 and 8401, that added together give a square (14884 = 122²).

The spelling of 64838401 in words is "sixty-four million, eight hundred thirty-eight thousand, four hundred one".