3409989 has 8 divisors (see below), whose sum is σ = 4960032. Its totient is φ = 2066640.

The previous prime is 3409981. The next prime is 3409999. The reversal of 3409989 is 9899043.

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

It is not a de Polignac number, because 3409989 - 2³ = 3409981 is a prime.

3409989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3409989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51634 + ... + 51699.

It is an arithmetic number, because the mean of its divisors is an integer number (620004).

Almost surely, 2^3409989 is an apocalyptic number.

It is an amenable number.

3409989 is a deficient number, since it is larger than the sum of its proper divisors (1550043).

3409989 is a wasteful number, since it uses less digits than its factorization.

3409989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103347.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3409989 is about 1846.6155528426. The cubic root of 3409989 is about 150.5165745185.

The spelling of 3409989 in words is "three million, four hundred nine thousand, nine hundred eighty-nine".