2940839 has 8 divisors (see below), whose sum is σ = 3377280. Its totient is φ = 2532600.

The previous prime is 2940799. The next prime is 2940853. The reversal of 2940839 is 9380492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2940799 and 2940808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940239) 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, 6827 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (422160).

2^2940839 is an apocalyptic number.

2940839 is a deficient number, since it is larger than the sum of its proper divisors (436441).

2940839 is a wasteful number, since it uses less digits than its factorization.

2940839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14101.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2940839 is about 1714.8874598643. The cubic root of 2940839 is about 143.2706011162.

The spelling of 2940839 in words is "two million, nine hundred forty thousand, eight hundred thirty-nine".