3201648 has 20 divisors (see below), whose sum is σ = 8271048. Its totient is φ = 1067200.

The previous prime is 3201643. The next prime is 3201689. The reversal of 3201648 is 8461023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33303 + ... + 33398.

Almost surely, 2^3201648 is an apocalyptic number.

It is an amenable number.

3201648 is an abundant number, since it is smaller than the sum of its proper divisors (5069400).

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

3201648 is a wasteful number, since it uses less digits than its factorization.

3201648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66712 (or 66706 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3201648 is about 1789.3149527124. The cubic root of 3201648 is about 147.3865526205.

The spelling of 3201648 in words is "three million, two hundred one thousand, six hundred forty-eight".