64418 has 8 divisors (see below), whose sum is σ = 99840. Its totient is φ = 31140.

The previous prime is 64403. The next prime is 64433. The reversal of 64418 is 81446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64403) and next prime (64433).

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

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 11 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 64393 and 64402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64418.

It is an unprimeable number.

64418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (12480).

2⁶⁴⁴¹⁸ is an apocalyptic number.

64418 is a deficient number, since it is larger than the sum of its proper divisors (35422).

64418 is a wasteful number, since it uses less digits than its factorization.

64418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its digits is 768, while the sum is 23.

The square root of 64418 is about 253.8070132995. The cubic root of 64418 is about 40.0868944306.

The spelling of 64418 in words is "sixty-four thousand, four hundred eighteen".