3648872 has 8 divisors (see below), whose sum is σ = 6841650. Its totient is φ = 1824432.

The previous prime is 3648859. The next prime is 3648899. The reversal of 3648872 is 2788463.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 1705636 = 1394^2 + 1306^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228047 + ... + 228062.

Almost surely, 2^3648872 is an apocalyptic number.

It is an amenable number.

3648872 is a deficient number, since it is larger than the sum of its proper divisors (3192778).

3648872 is a wasteful number, since it uses less digits than its factorization.

3648872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456115 (or 456111 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 3648872 is about 1910.2020835503. The cubic root of 3648872 is about 153.9523099646.

The spelling of 3648872 in words is "three million, six hundred forty-eight thousand, eight hundred seventy-two".