3427679 has 4 divisors (see below), whose sum is σ = 3440976. Its totient is φ = 3414384.

The previous prime is 3427673. The next prime is 3427687. The reversal of 3427679 is 9767243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3427679 - 2¹⁶ = 3362143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6254 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (860244).

Almost surely, 2^3427679 is an apocalyptic number.

3427679 is a deficient number, since it is larger than the sum of its proper divisors (13297).

3427679 is a wasteful number, since it uses less digits than its factorization.

3427679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296.

The product of its digits is 63504, while the sum is 38.

The square root of 3427679 is about 1851.3992006048. The cubic root of 3427679 is about 150.7764040081.

The spelling of 3427679 in words is "three million, four hundred twenty-seven thousand, six hundred seventy-nine".