406881206 has 8 divisors (see below), whose sum is σ = 610443000. Its totient is φ = 203400208.

The previous prime is 406881197. The next prime is 406881271. The reversal of 406881206 is 602188604.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456 + ... + 29043.

It is an arithmetic number, because the mean of its divisors is an integer number (76305375).

Almost surely, 2^406881206 is an apocalyptic number.

406881206 is a deficient number, since it is larger than the sum of its proper divisors (203561794).

406881206 is a wasteful number, since it uses less digits than its factorization.

406881206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40398.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 406881206 is about 20171.2965869822. The cubic root of 406881206 is about 741.0073971347.

The spelling of 406881206 in words is "four hundred six million, eight hundred eighty-one thousand, two hundred six".