2670439 has 2 divisors, whose sum is σ = 2670440. Its totient is φ = 2670438.

The previous prime is 2670373. The next prime is 2670443. The reversal of 2670439 is 9340762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2670439 - 2¹⁵ = 2637671 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2670439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2670449) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335219 + 1335220.

It is an arithmetic number, because the mean of its divisors is an integer number (1335220).

2^2670439 is an apocalyptic number.

2670439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670439 is an equidigital number, since it uses as much as digits as its factorization.

2670439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2670439 is about 1634.1477901341. The cubic root of 2670439 is about 138.7376138065.

The spelling of 2670439 in words is "two million, six hundred seventy thousand, four hundred thirty-nine".