905432 has 16 divisors (see below), whose sum is σ = 1852200. Its totient is φ = 411520.

The previous prime is 905413. The next prime is 905449. The reversal of 905432 is 234509.

905432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 905398 and 905407.

It is a congruent number.

It is an unprimeable number.

905432 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, 5057 + ... + 5232.

2⁹⁰⁵⁴³² is an apocalyptic number.

It is an amenable number.

905432 is an abundant number, since it is smaller than the sum of its proper divisors (946768).

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

905432 is a wasteful number, since it uses less digits than its factorization.

905432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306 (or 10302 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 905432 is about 951.5419065916. The cubic root of 905432 is about 96.7427911398.

The spelling of 905432 in words is "nine hundred five thousand, four hundred thirty-two".