3613872 has 20 divisors (see below), whose sum is σ = 9335960. Its totient is φ = 1204608.

The previous prime is 3613871. The next prime is 3613879. The reversal of 3613872 is 2783163.

It is not an unprimeable number, because it can be changed into a prime (3613871) 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, 37597 + ... + 37692.

It is an arithmetic number, because the mean of its divisors is an integer number (466798).

Almost surely, 2^3613872 is an apocalyptic number.

It is an amenable number.

3613872 is an abundant number, since it is smaller than the sum of its proper divisors (5722088).

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

3613872 is a wasteful number, since it uses less digits than its factorization.

3613872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75300 (or 75294 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3613872 is about 1901.0186742902. The cubic root of 3613872 is about 153.4584905462.

The spelling of 3613872 in words is "three million, six hundred thirteen thousand, eight hundred seventy-two".