64338641 has 8 divisors (see below), whose sum is σ = 65133120. Its totient is φ = 63547632.

The previous prime is 64338619. The next prime is 64338643. The reversal of 64338641 is 14683346.

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 64338641 - 2⁶ = 64338577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64338643) 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, 62630 + ... + 63648.

It is an arithmetic number, because the mean of its divisors is an integer number (8141640).

Almost surely, 2^64338641 is an apocalyptic number.

It is an amenable number.

64338641 is a deficient number, since it is larger than the sum of its proper divisors (794479).

64338641 is a wasteful number, since it uses less digits than its factorization.

64338641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its digits is 41472, while the sum is 35.

The square root of 64338641 is about 8021.1371388351. The cubic root of 64338641 is about 400.7042613953.

The spelling of 64338641 in words is "sixty-four million, three hundred thirty-eight thousand, six hundred forty-one".