3389389 has 4 divisors (see below), whose sum is σ = 3468256. Its totient is φ = 3310524.

The previous prime is 3389381. The next prime is 3389401. The reversal of 3389389 is 9839833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9839833 = 127 ⋅77479.

It is a cyclic number.

It is not a de Polignac number, because 3389389 - 2³ = 3389381 is a prime.

It is a super-3 number, since 3×3389389³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 78823 = 3389389 / (3 + 3 + 8 + 9 + 3 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3389381) 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, 39369 + ... + 39454.

It is an arithmetic number, because the mean of its divisors is an integer number (867064).

Almost surely, 2^3389389 is an apocalyptic number.

It is an amenable number.

3389389 is a deficient number, since it is larger than the sum of its proper divisors (78867).

3389389 is an equidigital number, since it uses as much as digits as its factorization.

3389389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78866.

The product of its digits is 139968, while the sum is 43.

The square root of 3389389 is about 1841.0293316512. The cubic root of 3389389 is about 150.2128681418.

The spelling of 3389389 in words is "three million, three hundred eighty-nine thousand, three hundred eighty-nine".