3428279 has 2 divisors, whose sum is σ = 3428280. Its totient is φ = 3428278.

The previous prime is 3428267. The next prime is 3428281. The reversal of 3428279 is 9728243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3428279 - 2⁴ = 3428263 is a prime.

Together with 3428281, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3428209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714139 + 1714140.

It is an arithmetic number, because the mean of its divisors is an integer number (1714140).

Almost surely, 2^3428279 is an apocalyptic number.

3428279 is a deficient number, since it is larger than the sum of its proper divisors (1).

3428279 is an equidigital number, since it uses as much as digits as its factorization.

3428279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 3428279 is about 1851.5612331219. The cubic root of 3428279 is about 150.7852010750.

The spelling of 3428279 in words is "three million, four hundred twenty-eight thousand, two hundred seventy-nine".