206432 has 12 divisors (see below), whose sum is σ = 406476. Its totient is φ = 103200.

The previous prime is 206419. The next prime is 206447. The reversal of 206432 is 234602.

It is a super-2 number, since 2×206432² = 85228341248, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 206432.

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 206432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (33873).

2²⁰⁶⁴³² is an apocalyptic number.

It is an amenable number.

206432 is a deficient number, since it is larger than the sum of its proper divisors (200044).

206432 is an equidigital number, since it uses as much as digits as its factorization.

206432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 206432 is about 454.3478843353. The cubic root of 206432 is about 59.1006612558.

The spelling of 206432 in words is "two hundred six thousand, four hundred thirty-two".