206030406 has 8 divisors (see below), whose sum is σ = 412060824. Its totient is φ = 68676800.

The previous prime is 206030399. The next prime is 206030417. The reversal of 206030406 is 604030602.

It is a sphenic number, since it is the product of 3 distinct primes.

206030406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17169195 + ... + 17169206.

It is an arithmetic number, because the mean of its divisors is an integer number (51507603).

Almost surely, 2^206030406 is an apocalyptic number.

206030406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206030406 is a wasteful number, since it uses less digits than its factorization.

206030406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34338406.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 206030406 is about 14353.7592985252. The cubic root of 206030406 is about 590.6231145428.

The spelling of 206030406 in words is "two hundred six million, thirty thousand, four hundred six".