3721326 has 32 divisors (see below), whose sum is σ = 8563968. Its totient is φ = 1056000.

The previous prime is 3721303. The next prime is 3721327. The reversal of 3721326 is 6231273.

3721326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 3⁹ + 7³ + 2¹¹ + 1 + 3¹³ + 2²¹ + 6⁵ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3721296 and 3721305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10366 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (267624).

Almost surely, 2^3721326 is an apocalyptic number.

3721326 is an abundant number, since it is smaller than the sum of its proper divisors (4842642).

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

3721326 is a wasteful number, since it uses less digits than its factorization.

3721326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

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

The square root of 3721326 is about 1929.0738710583. The cubic root of 3721326 is about 154.9646259893.

Adding to 3721326 its reverse (6231273), we get a palindrome (9952599).

The spelling of 3721326 in words is "three million, seven hundred twenty-one thousand, three hundred twenty-six".