3608806538 has 8 divisors (see below), whose sum is σ = 5487363588. Its totient is φ = 1779685344.

The previous prime is 3608806493. The next prime is 3608806561. The reversal of 3608806538 is 8356088063.

It can be written as a sum of positive squares in 2 ways, for example, as 3608765329 + 41209 = 60073^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3608806492 and 3608806501.

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 3 ways as a sum of consecutive naturals, for example, 12358781 + ... + 12359072.

Almost surely, 2^3608806538 is an apocalyptic number.

3608806538 is a deficient number, since it is larger than the sum of its proper divisors (1878557050).

3608806538 is a wasteful number, since it uses less digits than its factorization.

3608806538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24717928.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 3608806538 is about 60073.3429900484. The cubic root of 3608806538 is about 1533.8675754746.

The spelling of 3608806538 in words is "three billion, six hundred eight million, eight hundred six thousand, five hundred thirty-eight".