3691572 has 12 divisors (see below), whose sum is σ = 8613696. Its totient is φ = 1230520.

The previous prime is 3691561. The next prime is 3691577. The reversal of 3691572 is 2751963.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691577) 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, 153804 + ... + 153827.

It is an arithmetic number, because the mean of its divisors is an integer number (717808).

Almost surely, 2^3691572 is an apocalyptic number.

It is an amenable number.

3691572 is an abundant number, since it is smaller than the sum of its proper divisors (4922124).

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

3691572 is a wasteful number, since it uses less digits than its factorization.

3691572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307638 (or 307636 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 3691572 is about 1921.3464029165. The cubic root of 3691572 is about 154.5505118613.

The spelling of 3691572 in words is "three million, six hundred ninety-one thousand, five hundred seventy-two".