3309381 has 12 divisors (see below), whose sum is σ = 4848480. Its totient is φ = 2174760.

The previous prime is 3309379. The next prime is 3309413. The reversal of 3309381 is 1839033.

It is not a de Polignac number, because 3309381 - 2¹ = 3309379 is a prime.

It is a super-2 number, since 2×3309381² = 21904005206322, which contains 22 as substring.

3309381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309301) 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 11 ways as a sum of consecutive naturals, for example, 1951 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (404040).

Almost surely, 2^3309381 is an apocalyptic number.

It is an amenable number.

3309381 is a deficient number, since it is larger than the sum of its proper divisors (1539099).

3309381 is a wasteful number, since it uses less digits than its factorization.

3309381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3309381 is about 1819.1704153267. The cubic root of 3309381 is about 149.0214974313.

The spelling of 3309381 in words is "three million, three hundred nine thousand, three hundred eighty-one".