27290339 has 2 divisors, whose sum is σ = 27290340. Its totient is φ = 27290338.

The previous prime is 27290311. The next prime is 27290353. The reversal of 27290339 is 93309272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27290339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27290299 and 27290308.

It is not a weakly prime, because it can be changed into another prime (27290359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13645169 + 13645170.

It is an arithmetic number, because the mean of its divisors is an integer number (13645170).

Almost surely, 2^27290339 is an apocalyptic number.

27290339 is a deficient number, since it is larger than the sum of its proper divisors (1).

27290339 is an equidigital number, since it uses as much as digits as its factorization.

27290339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 27290339 is about 5224.0156010487. The cubic root of 27290339 is about 301.0714980465.

The spelling of 27290339 in words is "twenty-seven million, two hundred ninety thousand, three hundred thirty-nine".