206738432 has 22 divisors (see below), whose sum is σ = 413277018. Its totient is φ = 103368704.

The previous prime is 206738401. The next prime is 206738437. The reversal of 206738432 is 234837602.

206738432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127599616 + 79138816 = 11296^2 + 8896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 206738392 and 206738401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206738437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99923 + ... + 101970.

It is an arithmetic number, because the mean of its divisors is an integer number (18785319).

Almost surely, 2^206738432 is an apocalyptic number.

It is an amenable number.

206738432 is a deficient number, since it is larger than the sum of its proper divisors (206538586).

206738432 is an equidigital number, since it uses as much as digits as its factorization.

206738432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201913 (or 201895 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 206738432 is about 14378.4015801479. The cubic root of 206738432 is about 591.2989021915.

The spelling of 206738432 in words is "two hundred six million, seven hundred thirty-eight thousand, four hundred thirty-two".