3648028 has 6 divisors (see below), whose sum is σ = 6384056. Its totient is φ = 1824012.

The previous prime is 3647989. The next prime is 3648031. The reversal of 3648028 is 8208463.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456000 + ... + 456007.

Almost surely, 2^3648028 is an apocalyptic number.

It is an amenable number.

3648028 is a deficient number, since it is larger than the sum of its proper divisors (2736028).

3648028 is a wasteful number, since it uses less digits than its factorization.

3648028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912011 (or 912009 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3648028 is about 1909.9811517395. The cubic root of 3648028 is about 153.9404391025.

The spelling of 3648028 in words is "three million, six hundred forty-eight thousand, twenty-eight".