3313981 has 8 divisors (see below), whose sum is σ = 3665664. Its totient is φ = 2970720.

The previous prime is 3313969. The next prime is 3313987. The reversal of 3313981 is 1893133.

3313981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3313981 - 2⁵ = 3313949 is a prime.

It is a super-2 number, since 2×3313981² = 21964940136722, which contains 22 as substring.

It is a Duffinian number.

3313981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313987) 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 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 2866.

It is an arithmetic number, because the mean of its divisors is an integer number (458208).

Almost surely, 2^3313981 is an apocalyptic number.

It is an amenable number.

3313981 is a deficient number, since it is larger than the sum of its proper divisors (351683).

3313981 is a wasteful number, since it uses less digits than its factorization.

3313981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its digits is 1944, while the sum is 28.

The square root of 3313981 is about 1820.4342888443. The cubic root of 3313981 is about 149.0905114978.

The spelling of 3313981 in words is "three million, three hundred thirteen thousand, nine hundred eighty-one".