2079999 has 10 divisors (see below), whose sum is σ = 3107280. Its totient is φ = 1386612.

The previous prime is 2079997. The next prime is 2080003. The reversal of 2079999 is 9999702.

2079999 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 2079999 - 2¹ = 2079997 is a prime.

2079999 is a modest number, since divided by 9999 gives 207 as remainder.

2079999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079997) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12759 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (310728).

2^2079999 is an apocalyptic number.

2079999 is a deficient number, since it is larger than the sum of its proper divisors (1027281).

2079999 is an equidigital number, since it uses as much as digits as its factorization.

2079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691 (or 25682 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 2079999 is about 1442.2201634979. The cubic root of 2079999 is about 127.6500655205.

The spelling of 2079999 in words is "two million, seventy-nine thousand, nine hundred ninety-nine".