432664 has 8 divisors (see below), whose sum is σ = 811260. Its totient is φ = 216328.

The previous prime is 432661. The next prime is 432713. The reversal of 432664 is 466234.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27034 + ... + 27049.

2⁴³²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

432664 is a deficient number, since it is larger than the sum of its proper divisors (378596).

432664 is a wasteful number, since it uses less digits than its factorization.

432664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54089 (or 54085 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 432664 is about 657.7719969716. The cubic root of 432664 is about 75.6339740734.

Adding to 432664 its reverse (466234), we get a palindrome (898898).

The spelling of 432664 in words is "four hundred thirty-two thousand, six hundred sixty-four".