2997999 has 16 divisors (see below), whose sum is σ = 4563040. Its totient is φ = 1944000.

The previous prime is 2997997. The next prime is 2998007. The reversal of 2997999 is 9997992.

It is not a de Polignac number, because 2997999 - 2¹ = 2997997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (285190).

2^2997999 is an apocalyptic number.

2997999 is a deficient number, since it is larger than the sum of its proper divisors (1565041).

2997999 is a wasteful number, since it uses less digits than its factorization.

2997999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3041 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 2997999 is about 1731.4730722711. The cubic root of 2997999 is about 144.1928838833.

It can be divided in two parts, 2 and 997999, that added together give a square (998001 = 999²).

The spelling of 2997999 in words is "two million, nine hundred ninety-seven thousand, nine hundred ninety-nine".