3805307406 has 12 divisors (see below), whose sum is σ = 8244832752. Its totient is φ = 1268435796.

The previous prime is 3805307399. The next prime is 3805307417. The reversal of 3805307406 is 6047035083.

It is a happy number.

3805307406 is a `hidden beast` number, since 3 + 80 + 530 + 7 + 40 + 6 = 666.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 105702966 + ... + 105703001.

It is an arithmetic number, because the mean of its divisors is an integer number (687069396).

Almost surely, 2^3805307406 is an apocalyptic number.

3805307406 is an abundant number, since it is smaller than the sum of its proper divisors (4439525346).

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

3805307406 is a wasteful number, since it uses less digits than its factorization.

3805307406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211405975 (or 211405972 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3805307406 is about 61687.1737559762. The cubic root of 3805307406 is about 1561.2169178224.

The spelling of 3805307406 in words is "three billion, eight hundred five million, three hundred seven thousand, four hundred six".