3972326 has 16 divisors (see below), whose sum is σ = 6159888. Its totient is φ = 1920000.

The previous prime is 3972301. The next prime is 3972329. The reversal of 3972326 is 6232793.

It is a happy number.

It is a d-powerful number, because it can be written as 3⁶ + 9 + 7² + 2⁷ + 3¹³ + 2²¹ + 6⁷ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3972292 and 3972301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972329) 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, 15701 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (384993).

Almost surely, 2^3972326 is an apocalyptic number.

3972326 is a deficient number, since it is larger than the sum of its proper divisors (2187562).

3972326 is a wasteful number, since it uses less digits than its factorization.

3972326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 13608, while the sum is 32.

The square root of 3972326 is about 1993.0694920148. The cubic root of 3972326 is about 158.3731765534.

The spelling of 3972326 in words is "three million, nine hundred seventy-two thousand, three hundred twenty-six".