3612872 has 8 divisors (see below), whose sum is σ = 6774150. Its totient is φ = 1806432.

The previous prime is 3612853. The next prime is 3612883. The reversal of 3612872 is 2782163.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 1779556 = 1354^2 + 1334^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225797 + ... + 225812.

Almost surely, 2^3612872 is an apocalyptic number.

It is an amenable number.

3612872 is a deficient number, since it is larger than the sum of its proper divisors (3161278).

3612872 is a wasteful number, since it uses less digits than its factorization.

3612872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451615 (or 451611 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 3612872 is about 1900.7556392130. The cubic root of 3612872 is about 153.4443346632. Note that the first 3 decimals are identical.

The spelling of 3612872 in words is "three million, six hundred twelve thousand, eight hundred seventy-two".