3188648 has 8 divisors (see below), whose sum is σ = 5978730. Its totient is φ = 1594320.

The previous prime is 3188641. The next prime is 3188657. The reversal of 3188648 is 8468813.

3188648 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 1800964 + 1387684 = 1342^2 + 1178^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3188641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199283 + ... + 199298.

Almost surely, 2^3188648 is an apocalyptic number.

It is an amenable number.

3188648 is a deficient number, since it is larger than the sum of its proper divisors (2790082).

3188648 is a wasteful number, since it uses less digits than its factorization.

3188648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398587 (or 398583 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 3188648 is about 1785.6785825002. The cubic root of 3188648 is about 147.1867987925.

The spelling of 3188648 in words is "three million, one hundred eighty-eight thousand, six hundred forty-eight".