4289279 has 2 divisors, whose sum is σ = 4289280. Its totient is φ = 4289278.

The previous prime is 4289251. The next prime is 4289291. The reversal of 4289279 is 9729824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4289279 - 2²⁰ = 3240703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4289239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144639 + 2144640.

It is an arithmetic number, because the mean of its divisors is an integer number (2144640).

Almost surely, 2^4289279 is an apocalyptic number.

4289279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4289279 is an equidigital number, since it uses as much as digits as its factorization.

4289279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 4289279 is about 2071.0574593671. The cubic root of 4289279 is about 162.4780751485.

The spelling of 4289279 in words is "four million, two hundred eighty-nine thousand, two hundred seventy-nine".