2830239 has 12 divisors (see below), whose sum is σ = 4116216. Its totient is φ = 1873872.

The previous prime is 2830237. The next prime is 2830249. The reversal of 2830239 is 9320382.

It is not a de Polignac number, because 2830239 - 2¹ = 2830237 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (343018).

2^2830239 is an apocalyptic number.

2830239 is a deficient number, since it is larger than the sum of its proper divisors (1285977).

2830239 is a wasteful number, since it uses less digits than its factorization.

2830239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2830239 is about 1682.3314180030. The cubic root of 2830239 is about 141.4515477123.

The spelling of 2830239 in words is "two million, eight hundred thirty thousand, two hundred thirty-nine".