402828206 has 8 divisors (see below), whose sum is σ = 659173464. Its totient is φ = 183103720.

The previous prime is 402828193. The next prime is 402828269. The reversal of 402828206 is 602828204.

It is a happy number.

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

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, 9155165 + ... + 9155208.

It is an arithmetic number, because the mean of its divisors is an integer number (82396683).

Almost surely, 2^402828206 is an apocalyptic number.

402828206 is a deficient number, since it is larger than the sum of its proper divisors (256345258).

402828206 is a wasteful number, since it uses less digits than its factorization.

402828206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310386.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 402828206 is about 20070.5806094393. The cubic root of 402828206 is about 738.5387563323.

The spelling of 402828206 in words is "four hundred two million, eight hundred twenty-eight thousand, two hundred six".