3913333 has 4 divisors (see below), whose sum is σ = 3977548. Its totient is φ = 3849120.

The previous prime is 3913331. The next prime is 3913369. The reversal of 3913333 is 3333193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3333193 = 47 ⋅70919.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 1787569 = 1458^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3913333 - 2¹ = 3913331 is a prime.

It is a Duffinian number.

3913333 is a modest number, since divided by 3333 gives 391 as remainder.

3913333 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3913298 and 3913307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32016 + ... + 32137.

It is an arithmetic number, because the mean of its divisors is an integer number (994387).

Almost surely, 2^3913333 is an apocalyptic number.

It is an amenable number.

3913333 is a deficient number, since it is larger than the sum of its proper divisors (64215).

3913333 is an equidigital number, since it uses as much as digits as its factorization.

3913333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64214.

The product of its digits is 2187, while the sum is 25.

The square root of 3913333 is about 1978.2145990767. The cubic root of 3913333 is about 157.5852633158.

The spelling of 3913333 in words is "three million, nine hundred thirteen thousand, three hundred thirty-three".