26900399 has 2 divisors, whose sum is σ = 26900400. Its totient is φ = 26900398.

The previous prime is 26900359. The next prime is 26900479. The reversal of 26900399 is 99300962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26900399 - 2²⁰ = 25851823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26900359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13450199 + 13450200.

It is an arithmetic number, because the mean of its divisors is an integer number (13450200).

Almost surely, 2^26900399 is an apocalyptic number.

26900399 is a deficient number, since it is larger than the sum of its proper divisors (1).

26900399 is an equidigital number, since it uses as much as digits as its factorization.

26900399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 26900399 is about 5186.5594569040. The cubic root of 26900399 is about 299.6306528697.

The spelling of 26900399 in words is "twenty-six million, nine hundred thousand, three hundred ninety-nine".