2890239 has 8 divisors (see below), whose sum is σ = 4204032. Its totient is φ = 1751640.

The previous prime is 2890231. The next prime is 2890259. The reversal of 2890239 is 9320982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2890239 - 2³ = 2890231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 87583 = 2890239 / (2 + 8 + 9 + 0 + 2 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43759 + ... + 43824.

It is an arithmetic number, because the mean of its divisors is an integer number (525504).

2^2890239 is an apocalyptic number.

2890239 is a deficient number, since it is larger than the sum of its proper divisors (1313793).

2890239 is a wasteful number, since it uses less digits than its factorization.

2890239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87597.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2890239 is about 1700.0702926644. The cubic root of 2890239 is about 142.4441393857. Note that the first 3 decimals are identical.

Adding to 2890239 its reverse (9320982), we get a palindrome (12211221).

The spelling of 2890239 in words is "two million, eight hundred ninety thousand, two hundred thirty-nine".