855432 has 36 divisors (see below), whose sum is σ = 2338245. Its totient is φ = 282528.

The previous prime is 855431. The next prime is 855461. The reversal of 855432 is 234558.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 34596 = 906^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=654.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 855396 and 855405.

It is not an unprimeable number, because it can be changed into a prime (855431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7794 + ... + 7902.

2⁸⁵⁵⁴³² 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 855432

855432 is an abundant number, since it is smaller than the sum of its proper divisors (1482813).

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

855432 is a wasteful number, since it uses less digits than its factorization.

855432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 114 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 855432 is about 924.8956697920. The cubic root of 855432 is about 94.9281821014.

The spelling of 855432 in words is "eight hundred fifty-five thousand, four hundred thirty-two".