3688535368 has 24 divisors (see below), whose sum is σ = 8045148150. Its totient is φ = 1580800704.

The previous prime is 3688535327. The next prime is 3688535377. The reversal of 3688535368 is 8635358863.

It can be written as a sum of positive squares in only one way, i.e., 3306020004 + 382515364 = 57498^2 + 19558^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4704373 + ... + 4705156.

Almost surely, 2^3688535368 is an apocalyptic number.

It is an amenable number.

3688535368 is an abundant number, since it is smaller than the sum of its proper divisors (4356612782).

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

3688535368 is a wasteful number, since it uses less digits than its factorization.

3688535368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409549 (or 9409538 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The square root of 3688535368 is about 60733.3134943253. The cubic root of 3688535368 is about 1545.0812325544.

The spelling of 3688535368 in words is "three billion, six hundred eighty-eight million, five hundred thirty-five thousand, three hundred sixty-eight".