26630339 has 2 divisors, whose sum is σ = 26630340. Its totient is φ = 26630338.

The previous prime is 26630311. The next prime is 26630377. The reversal of 26630339 is 93303662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26630339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26630309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315169 + 13315170.

It is an arithmetic number, because the mean of its divisors is an integer number (13315170).

Almost surely, 2^26630339 is an apocalyptic number.

26630339 is a deficient number, since it is larger than the sum of its proper divisors (1).

26630339 is an equidigital number, since it uses as much as digits as its factorization.

26630339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 26630339 is about 5160.4591849951. The cubic root of 26630339 is about 298.6245889703.

The spelling of 26630339 in words is "twenty-six million, six hundred thirty thousand, three hundred thirty-nine".