2389279 has 2 divisors, whose sum is σ = 2389280. Its totient is φ = 2389278.

The previous prime is 2389259. The next prime is 2389297. The reversal of 2389279 is 9729832.

Together with next prime (2389297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2389279 - 2¹³ = 2381087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194639 + 1194640.

It is an arithmetic number, because the mean of its divisors is an integer number (1194640).

2^2389279 is an apocalyptic number.

2389279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389279 is an equidigital number, since it uses as much as digits as its factorization.

2389279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 2389279 is about 1545.7292777197. The cubic root of 2389279 is about 133.6869315721.

The spelling of 2389279 in words is "two million, three hundred eighty-nine thousand, two hundred seventy-nine".