26970239 has 2 divisors, whose sum is σ = 26970240. Its totient is φ = 26970238.

The previous prime is 26970227. The next prime is 26970263. The reversal of 26970239 is 93207962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26970239 - 2²⁴ = 10193023 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 (26970539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13485119 + 13485120.

It is an arithmetic number, because the mean of its divisors is an integer number (13485120).

Almost surely, 2^26970239 is an apocalyptic number.

26970239 is a deficient number, since it is larger than the sum of its proper divisors (1).

26970239 is an equidigital number, since it uses as much as digits as its factorization.

26970239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 26970239 is about 5193.2878795615. The cubic root of 26970239 is about 299.8897335501.

The spelling of 26970239 in words is "twenty-six million, nine hundred seventy thousand, two hundred thirty-nine".