2999879 has 2 divisors, whose sum is σ = 2999880. Its totient is φ = 2999878.

The previous prime is 2999873. The next prime is 2999897. The reversal of 2999879 is 9789992.

Together with next prime (2999897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2999879 - 2⁴ = 2999863 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2999879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2999873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499939 + 1499940.

It is an arithmetic number, because the mean of its divisors is an integer number (1499940).

2^2999879 is an apocalyptic number.

2999879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999879 is an equidigital number, since it uses as much as digits as its factorization.

2999879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 2999879 is about 1732.0158775254. The cubic root of 2999879 is about 144.2230179802.

The spelling of 2999879 in words is "two million, nine hundred ninety-nine thousand, eight hundred seventy-nine".