2989279 has 2 divisors, whose sum is σ = 2989280. Its totient is φ = 2989278.

The previous prime is 2989271. The next prime is 2989309. The reversal of 2989279 is 9729892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2989279 - 2³ = 2989271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2989271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494639 + 1494640.

It is an arithmetic number, because the mean of its divisors is an integer number (1494640).

2^2989279 is an apocalyptic number.

2989279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989279 is an equidigital number, since it uses as much as digits as its factorization.

2989279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 2989279 is about 1728.9531514763. The cubic root of 2989279 is about 144.0529479929.

The spelling of 2989279 in words is "two million, nine hundred eighty-nine thousand, two hundred seventy-nine".