3428109 has 8 divisors (see below), whose sum is σ = 5078720. Its totient is φ = 2285388.

The previous prime is 3428099. The next prime is 3428137. The reversal of 3428109 is 9018243.

3428109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3428109 - 2⁷ = 3427981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 126967 = 3428109 / (3 + 4 + 2 + 8 + 1 + 0 + 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 (3428209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63457 + ... + 63510.

It is an arithmetic number, because the mean of its divisors is an integer number (634840).

Almost surely, 2^3428109 is an apocalyptic number.

It is an amenable number.

3428109 is a deficient number, since it is larger than the sum of its proper divisors (1650611).

3428109 is a wasteful number, since it uses less digits than its factorization.

3428109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126976 (or 126970 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3428109 is about 1851.5153253484. The cubic root of 3428109 is about 150.7827086769.

The spelling of 3428109 in words is "three million, four hundred twenty-eight thousand, one hundred nine".