406680286 has 4 divisors (see below), whose sum is σ = 610020432. Its totient is φ = 203340142.

The previous prime is 406680259. The next prime is 406680293. The reversal of 406680286 is 682086604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101670070 + ... + 101670073.

It is an arithmetic number, because the mean of its divisors is an integer number (152505108).

Almost surely, 2^406680286 is an apocalyptic number.

406680286 is a deficient number, since it is larger than the sum of its proper divisors (203340146).

406680286 is a wasteful number, since it uses less digits than its factorization.

406680286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203340145.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 406680286 is about 20166.3156277987. The cubic root of 406680286 is about 740.8854059841.

The spelling of 406680286 in words is "four hundred six million, six hundred eighty thousand, two hundred eighty-six".