206038428 has 12 divisors (see below), whose sum is σ = 480756360. Its totient is φ = 68679472.

The previous prime is 206038387. The next prime is 206038447. The reversal of 206038428 is 824830602.

206038428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×206038428² = 84903667625422368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8584923 + ... + 8584946.

It is an arithmetic number, because the mean of its divisors is an integer number (40063030).

Almost surely, 2^206038428 is an apocalyptic number.

It is an amenable number.

206038428 is an abundant number, since it is smaller than the sum of its proper divisors (274717932).

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

206038428 is a wasteful number, since it uses less digits than its factorization.

206038428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169876 (or 17169874 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 206038428 is about 14354.0387347952. The cubic root of 206038428 is about 590.6307799440.

The spelling of 206038428 in words is "two hundred six million, thirty-eight thousand, four hundred twenty-eight".