2940239 has 2 divisors, whose sum is σ = 2940240. Its totient is φ = 2940238.

The previous prime is 2940229. The next prime is 2940247. The reversal of 2940239 is 9320492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2940239 - 2²⁰ = 1891663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470119 + 1470120.

It is an arithmetic number, because the mean of its divisors is an integer number (1470120).

2^2940239 is an apocalyptic number.

2940239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940239 is an equidigital number, since it uses as much as digits as its factorization.

2940239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2940239 is about 1714.7125123472. The cubic root of 2940239 is about 143.2608569346.

The spelling of 2940239 in words is "two million, nine hundred forty thousand, two hundred thirty-nine".