3726840806 has 16 divisors (see below), whose sum is σ = 6046580400. Its totient is φ = 1712566368.

The previous prime is 3726840791. The next prime is 3726840809. The reversal of 3726840806 is 6080486273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726840809) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 307016 + ... + 318923.

It is an arithmetic number, because the mean of its divisors is an integer number (377911275).

Almost surely, 2^3726840806 is an apocalyptic number.

3726840806 is a deficient number, since it is larger than the sum of its proper divisors (2319739594).

3726840806 is a wasteful number, since it uses less digits than its factorization.

3726840806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626183.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 3726840806 is about 61047.8566863735. The cubic root of 3726840806 is about 1550.4113796734.

The spelling of 3726840806 in words is "three billion, seven hundred twenty-six million, eight hundred forty thousand, eight hundred six".