3691772 has 12 divisors (see below), whose sum is σ = 7383600. Its totient is φ = 1582176.

The previous prime is 3691747. The next prime is 3691783. The reversal of 3691772 is 2771963.

3691772 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3691772 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

3691772 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65897 + ... + 65952.

It is an arithmetic number, because the mean of its divisors is an integer number (615300).

Almost surely, 2^3691772 is an apocalyptic number.

It is an amenable number.

3691772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3691772 is a wasteful number, since it uses less digits than its factorization.

3691772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131860 (or 131858 counting only the distinct ones).

The product of its digits is 15876, while the sum is 35.

The square root of 3691772 is about 1921.3984490469. The cubic root of 3691772 is about 154.5533028624.

The spelling of 3691772 in words is "three million, six hundred ninety-one thousand, seven hundred seventy-two".