432645 has 8 divisors (see below), whose sum is σ = 692256. Its totient is φ = 230736.

The previous prime is 432637. The next prime is 432659. The reversal of 432645 is 546234.

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

It is not a de Polignac number, because 432645 - 2³ = 432637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14407 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (86532).

2⁴³²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

432645 is a deficient number, since it is larger than the sum of its proper divisors (259611).

432645 is a wasteful number, since it uses less digits than its factorization.

432645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851.

The product of its digits is 2880, while the sum is 24.

The square root of 432645 is about 657.7575541185. The cubic root of 432645 is about 75.6328669274.

Adding to 432645 its reverse (546234), we get a palindrome (978879).

It can be divided in two parts, 4326 and 45, that added together give a triangular number (4371 = T₉₃).

The spelling of 432645 in words is "four hundred thirty-two thousand, six hundred forty-five".