26494399 has 2 divisors, whose sum is σ = 26494400. Its totient is φ = 26494398.

The previous prime is 26494397. The next prime is 26494409. The reversal of 26494399 is 99349462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26494399 - 2¹ = 26494397 is a prime.

Together with 26494397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26494397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13247199 + 13247200.

It is an arithmetic number, because the mean of its divisors is an integer number (13247200).

Almost surely, 2^26494399 is an apocalyptic number.

26494399 is a deficient number, since it is larger than the sum of its proper divisors (1).

26494399 is an equidigital number, since it uses as much as digits as its factorization.

26494399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 26494399 is about 5147.2710245333. The cubic root of 26494399 is about 298.1155918401.

The spelling of 26494399 in words is "twenty-six million, four hundred ninety-four thousand, three hundred ninety-nine".