3696396805 has 16 divisors (see below), whose sum is σ = 4453239600. Its totient is φ = 2945433600.

The previous prime is 3696396793. The next prime is 3696396839. The reversal of 3696396805 is 5086936963.

It is a Cunningham number, because it is equal to 60798²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 313927524 + 3382469281 = 17718^2 + 58159^2 .

It is not a de Polignac number, because 3696396805 - 2¹³ = 3696388613 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2308005 + ... + 2309605.

It is an arithmetic number, because the mean of its divisors is an integer number (278327475).

Almost surely, 2^3696396805 is an apocalyptic number.

It is an amenable number.

3696396805 is a deficient number, since it is larger than the sum of its proper divisors (756842795).

3696396805 is a wasteful number, since it uses less digits than its factorization.

3696396805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The square root of 3696396805 is about 60798.0000082240. Note that the first 5 decimals coincide. The cubic root of 3696396805 is about 1546.1781394451.

The spelling of 3696396805 in words is "three billion, six hundred ninety-six million, three hundred ninety-six thousand, eight hundred five".