432181 has 8 divisors (see below), whose sum is σ = 451584. Its totient is φ = 413280.

The previous prime is 432167. The next prime is 432199. The reversal of 432181 is 181234.

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

It is not a de Polignac number, because 432181 - 2⁵ = 432149 is a prime.

It is a super-2 number, since 2×432181² = 373560833522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁴³²¹⁸¹ is an apocalyptic number.

432181 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

432181 is a deficient number, since it is larger than the sum of its proper divisors (19403).

432181 is a wasteful number, since it uses less digits than its factorization.

432181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its digits is 192, while the sum is 19.

The square root of 432181 is about 657.4047459518. The cubic root of 432181 is about 75.6058191913.

The spelling of 432181 in words is "four hundred thirty-two thousand, one hundred eighty-one".