3723645 has 8 divisors (see below), whose sum is σ = 5957856. Its totient is φ = 1985936.

The previous prime is 3723641. The next prime is 3723647. The reversal of 3723645 is 5463273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3723645 - 2² = 3723641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723641) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 124107 + ... + 124136.

It is an arithmetic number, because the mean of its divisors is an integer number (744732).

Almost surely, 2^3723645 is an apocalyptic number.

It is an amenable number.

3723645 is a deficient number, since it is larger than the sum of its proper divisors (2234211).

3723645 is a wasteful number, since it uses less digits than its factorization.

3723645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248251.

The product of its digits is 15120, while the sum is 30.

The square root of 3723645 is about 1929.6748430759. The cubic root of 3723645 is about 154.9968088139.

The spelling of 3723645 in words is "three million, seven hundred twenty-three thousand, six hundred forty-five".