3309387 has 4 divisors (see below), whose sum is σ = 4412520. Its totient is φ = 2206256.

The previous prime is 3309379. The next prime is 3309413. The reversal of 3309387 is 7839033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7839033 = 3 ⋅2613011.

It is a cyclic number.

It is not a de Polignac number, because 3309387 - 2³ = 3309379 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3309307) 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, 551562 + ... + 551567.

It is an arithmetic number, because the mean of its divisors is an integer number (1103130).

Almost surely, 2^3309387 is an apocalyptic number.

3309387 is a deficient number, since it is larger than the sum of its proper divisors (1103133).

3309387 is a wasteful number, since it uses less digits than its factorization.

3309387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103132.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3309387 is about 1819.1720644293. The cubic root of 3309387 is about 149.0215874912.

The spelling of 3309387 in words is "three million, three hundred nine thousand, three hundred eighty-seven".