281432 has 16 divisors (see below), whose sum is σ = 533760. Its totient is φ = 139104.

The previous prime is 281431. The next prime is 281509. The reversal of 281432 is 234182.

281432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281432.

It is not an unprimeable number, because it can be changed into a prime (281431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (33360).

2²⁸¹⁴³² is an apocalyptic number.

It is an amenable number.

281432 is a deficient number, since it is larger than the sum of its proper divisors (252328).

281432 is a wasteful number, since it uses less digits than its factorization.

281432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 406 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 281432 is about 530.5016493848. The cubic root of 281432 is about 65.5326643985.

The spelling of 281432 in words is "two hundred eighty-one thousand, four hundred thirty-two".