3428779 has 4 divisors (see below), whose sum is σ = 3432520. Its totient is φ = 3425040.

The previous prime is 3428743. The next prime is 3428783. The reversal of 3428779 is 9778243.

3428779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3428779 - 2⁷ = 3428651 is a prime.

It is a Duffinian number.

3428779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3428279) 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 3 ways as a sum of consecutive naturals, for example, 544 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (858130).

Almost surely, 2^3428779 is an apocalyptic number.

3428779 is a deficient number, since it is larger than the sum of its proper divisors (3741).

3428779 is a wasteful number, since it uses less digits than its factorization.

3428779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

The product of its digits is 84672, while the sum is 40.

The square root of 3428779 is about 1851.6962493887. The cubic root of 3428779 is about 150.7925311801.

The spelling of 3428779 in words is "three million, four hundred twenty-eight thousand, seven hundred seventy-nine".