206828424 has 64 divisors (see below), whose sum is σ = 626760000. Its totient is φ = 62674560.

The previous prime is 206828423. The next prime is 206828441. The reversal of 206828424 is 424828602.

It is a happy number.

206828424 is a `hidden beast` number, since 206 + 8 + 28 + 424 = 666.

206828424 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (206828423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41149 + ... + 45900.

It is an arithmetic number, because the mean of its divisors is an integer number (9793125).

Almost surely, 2^206828424 is an apocalyptic number.

206828424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206828424 is an abundant number, since it is smaller than the sum of its proper divisors (419931576).

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

206828424 is a wasteful number, since it uses less digits than its factorization.

206828424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87075 (or 87065 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 206828424 is about 14381.5306556708. The cubic root of 206828424 is about 591.3846860346.

The spelling of 206828424 in words is "two hundred six million, eight hundred twenty-eight thousand, four hundred twenty-four".