2999889 has 16 divisors (see below), whose sum is σ = 4482240. Its totient is φ = 1982880.

The previous prime is 2999879. The next prime is 2999897. The reversal of 2999889 is 9889992.

2999889 = T₁₃₇ + T₁₃₈ + ... + T₂₇₃.

2999889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2999889 - 2⁴ = 2999873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2999819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (280140).

2^2999889 is an apocalyptic number.

It is an amenable number.

2999889 is a deficient number, since it is larger than the sum of its proper divisors (1482351).

2999889 is a wasteful number, since it uses less digits than its factorization.

2999889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 2999889 is about 1732.0187643325. The cubic root of 2999889 is about 144.2231782343.

Subtracting from 2999889 its product of digits (839808), we obtain a triangular number (2160081 = T₂₀₇₈).

The spelling of 2999889 in words is "two million, nine hundred ninety-nine thousand, eight hundred eighty-nine".