432256 has 32 divisors (see below), whose sum is σ = 942480. Its totient is φ = 195840.

The previous prime is 432251. The next prime is 432277. The reversal of 432256 is 652234.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (432251) by changing a digit.

432256 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, 1255 + ... + 1561.

2⁴³²²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471240).

432256 is an abundant number, since it is smaller than the sum of its proper divisors (510224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432256 is a wasteful number, since it uses less digits than its factorization.

432256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 320 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 432256 is about 657.4617859617. The cubic root of 432256 is about 75.6101924427.

Subtracting from 432256 its sum of digits (22), we obtain a palindrome (432234).

It can be divided in two parts, 432 and 256, that multiplied together give a cube (110592 = 48³).

The spelling of 432256 in words is "four hundred thirty-two thousand, two hundred fifty-six".