64430 has 16 divisors (see below), whose sum is σ = 123120. Its totient is φ = 24192.

The previous prime is 64403. The next prime is 64433. The reversal of 64430 is 3446.

64430 is nontrivially palindromic in base 13.

64430 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64399 and 64408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64433) by changing a digit.

64430 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 7 ways as a sum of consecutive naturals, for example, 20 + ... + 359.

It is an arithmetic number, because the mean of its divisors is an integer number (7695).

2⁶⁴⁴³⁰ is an apocalyptic number.

64430 is a deficient number, since it is larger than the sum of its proper divisors (58690).

64430 is a wasteful number, since it uses less digits than its factorization.

64430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 64430 is about 253.8306522073. The cubic root of 64430 is about 40.0893834495.

Adding to 64430 its reverse (3446), we get a palindrome (67876).

It can be divided in two parts, 64 and 430, that added together give a palindrome (494).

The spelling of 64430 in words is "sixty-four thousand, four hundred thirty".