3427779 has 4 divisors (see below), whose sum is σ = 4570376. Its totient is φ = 2285184.

The previous prime is 3427777. The next prime is 3427783. The reversal of 3427779 is 9777243.

3427779 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.

It is not a de Polignac number, because 3427779 - 2¹ = 3427777 is a prime.

It is a D-number.

It is a Duffinian number.

3427779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3427777) 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, 571294 + ... + 571299.

It is an arithmetic number, because the mean of its divisors is an integer number (1142594).

Almost surely, 2^3427779 is an apocalyptic number.

3427779 is a deficient number, since it is larger than the sum of its proper divisors (1142597).

3427779 is a wasteful number, since it uses less digits than its factorization.

3427779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142596.

The product of its digits is 74088, while the sum is 39.

The square root of 3427779 is about 1851.4262070091. The cubic root of 3427779 is about 150.7778702572. Note that the first 3 decimals are identical.

The spelling of 3427779 in words is "three million, four hundred twenty-seven thousand, seven hundred seventy-nine".