3963331 has 4 divisors (see below), whose sum is σ = 3969472. Its totient is φ = 3957192.

The previous prime is 3963317. The next prime is 3963359. The reversal of 3963331 is 1333693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333693 = 313 ⋅4261.

It is a cyclic number.

It is not a de Polignac number, because 3963331 - 2⁵ = 3963299 is a prime.

It is a super-2 number, since 2×3963331² = 31415985231122, which contains 22 as substring.

It is a Duffinian number.

3963331 is a lucky number.

It is a plaindrome in base 11.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3963331.

It is not an unprimeable number, because it can be changed into a prime (3963301) 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 3 ways as a sum of consecutive naturals, for example, 1971 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (992368).

Almost surely, 2^3963331 is an apocalyptic number.

3963331 is a deficient number, since it is larger than the sum of its proper divisors (6141).

3963331 is an equidigital number, since it uses as much as digits as its factorization.

3963331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140.

The product of its digits is 4374, while the sum is 28.

The square root of 3963331 is about 1990.8116435263. The cubic root of 3963331 is about 158.2535452720.

The spelling of 3963331 in words is "three million, nine hundred sixty-three thousand, three hundred thirty-one".