206086428 has 36 divisors (see below), whose sum is σ = 523603080. Its totient is φ = 68344416.

The previous prime is 206086421. The next prime is 206086457. The reversal of 206086428 is 824680602.

206086428 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 8 + 642 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 206086392 and 206086401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206086421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7438 + ... + 21621.

It is an arithmetic number, because the mean of its divisors is an integer number (14544530).

Almost surely, 2^206086428 is an apocalyptic number.

It is an amenable number.

206086428 is an abundant number, since it is smaller than the sum of its proper divisors (317516652).

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

206086428 is a wasteful number, since it uses less digits than its factorization.

206086428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266 (or 29261 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 206086428 is about 14355.7106407172. The cubic root of 206086428 is about 590.6766420621.

It can be divided in two parts, 2060 and 86428, that added together give a palindrome (88488).

The spelling of 206086428 in words is "two hundred six million, eighty-six thousand, four hundred twenty-eight".