2447279 has 2 divisors, whose sum is σ = 2447280. Its totient is φ = 2447278.

The previous prime is 2447267. The next prime is 2447293. The reversal of 2447279 is 9727442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2447279 - 2⁸ = 2447023 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2447209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223639 + 1223640.

It is an arithmetic number, because the mean of its divisors is an integer number (1223640).

2^2447279 is an apocalyptic number.

2447279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447279 is an equidigital number, since it uses as much as digits as its factorization.

2447279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 2447279 is about 1564.3781512154. The cubic root of 2447279 is about 134.7600492985.

The spelling of 2447279 in words is "two million, four hundred forty-seven thousand, two hundred seventy-nine".