3672321 has 8 divisors (see below), whose sum is σ = 4915584. Its totient is φ = 2438640.

The previous prime is 3672311. The next prime is 3672343. The reversal of 3672321 is 1232763.

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

It is not a de Polignac number, because 3672321 - 2⁶ = 3672257 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3672291 and 3672300.

It is not an unprimeable number, because it can be changed into a prime (3672311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (614448).

Almost surely, 2^3672321 is an apocalyptic number.

It is an amenable number.

3672321 is a deficient number, since it is larger than the sum of its proper divisors (1243263).

3672321 is a wasteful number, since it uses less digits than its factorization.

3672321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its digits is 1512, while the sum is 24.

The square root of 3672321 is about 1916.3300863891. The cubic root of 3672321 is about 154.2813908498.

It can be divided in two parts, 3672 and 321, that added together give a palindrome (3993).

The spelling of 3672321 in words is "three million, six hundred seventy-two thousand, three hundred twenty-one".