3421213806 has 32 divisors (see below), whose sum is σ = 7031295648. Its totient is φ = 1108961280.

The previous prime is 3421213751. The next prime is 3421213837. The reversal of 3421213806 is 6083121243.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556606 + ... + 562718.

It is an arithmetic number, because the mean of its divisors is an integer number (219727989).

Almost surely, 2^3421213806 is an apocalyptic number.

3421213806 is an abundant number, since it is smaller than the sum of its proper divisors (3610081842).

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

3421213806 is a wasteful number, since it uses less digits than its factorization.

3421213806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3421213806 is about 58491.1429705387. The cubic root of 3421213806 is about 1506.8154757368.

The spelling of 3421213806 in words is "three billion, four hundred twenty-one million, two hundred thirteen thousand, eight hundred six".