2999439 has 6 divisors (see below), whose sum is σ = 4332536. Its totient is φ = 1999620.

The previous prime is 2999417. The next prime is 2999443. The reversal of 2999439 is 9349992.

It is not a de Polignac number, because 2999439 - 2⁹ = 2998927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2999394 and 2999403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166627 + ... + 166644.

2^2999439 is an apocalyptic number.

2999439 is a deficient number, since it is larger than the sum of its proper divisors (1333097).

2999439 is a wasteful number, since it uses less digits than its factorization.

2999439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333277 (or 333274 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 2999439 is about 1731.8888532467. Note that the first 4 decimals coincide. The cubic root of 2999439 is about 144.2159664480.

The spelling of 2999439 in words is "two million, nine hundred ninety-nine thousand, four hundred thirty-nine".