3968331 has 8 divisors (see below), whose sum is σ = 5473680. Its totient is φ = 2554272.

The previous prime is 3968329. The next prime is 3968339. The reversal of 3968331 is 1338693.

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

It is not a de Polignac number, because 3968331 - 2¹ = 3968329 is a prime.

It is a super-2 number, since 2×3968331² = 31495301851122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3968292 and 3968301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968339) 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, 22720 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (684210).

Almost surely, 2^3968331 is an apocalyptic number.

3968331 is a deficient number, since it is larger than the sum of its proper divisors (1505349).

3968331 is a wasteful number, since it uses less digits than its factorization.

3968331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45645.

The product of its digits is 11664, while the sum is 33.

The square root of 3968331 is about 1992.0670169450. The cubic root of 3968331 is about 158.3200663553.

The spelling of 3968331 in words is "three million, nine hundred sixty-eight thousand, three hundred thirty-one".