3297638536 has 8 divisors (see below), whose sum is σ = 6183072270. Its totient is φ = 1648819264.

The previous prime is 3297638489. The next prime is 3297638549. The reversal of 3297638536 is 6358367923.

It can be written as a sum of positive squares in only one way, i.e., 3225558436 + 72080100 = 56794^2 + 8490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3297638536³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206102401 + ... + 206102416.

Almost surely, 2^3297638536 is an apocalyptic number.

It is an amenable number.

3297638536 is a deficient number, since it is larger than the sum of its proper divisors (2885433734).

3297638536 is a wasteful number, since it uses less digits than its factorization.

3297638536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412204823 (or 412204819 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 52.

The square root of 3297638536 is about 57425.0688811080. The cubic root of 3297638536 is about 1488.4503408659.

The spelling of 3297638536 in words is "three billion, two hundred ninety-seven million, six hundred thirty-eight thousand, five hundred thirty-six".