2939239 has 8 divisors (see below), whose sum is σ = 3133440. Its totient is φ = 2750616.

The previous prime is 2939231. The next prime is 2939257. The reversal of 2939239 is 9329392.

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

It is not a de Polignac number, because 2939239 - 2³ = 2939231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2939198 and 2939207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (391680).

2^2939239 is an apocalyptic number.

2939239 is a deficient number, since it is larger than the sum of its proper divisors (194201).

2939239 is a wasteful number, since it uses less digits than its factorization.

2939239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its digits is 26244, while the sum is 37.

The square root of 2939239 is about 1714.4208934798. The cubic root of 2939239 is about 143.2446136858.

The spelling of 2939239 in words is "two million, nine hundred thirty-nine thousand, two hundred thirty-nine".