268435399 has 2 divisors, whose sum is σ = 268435400. Its totient is φ = 268435398.

The previous prime is 268435367. The next prime is 268435459. The reversal of 268435399 is 993534862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268435399 - 2⁵ = 268435367 is a prime.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268430399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134217699 + 134217700.

It is an arithmetic number, because the mean of its divisors is an integer number (134217700).

Almost surely, 2^268435399 is an apocalyptic number.

268435399 is a deficient number, since it is larger than the sum of its proper divisors (1).

268435399 is an equidigital number, since it uses as much as digits as its factorization.

268435399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 49.

The square root of 268435399 is about 16383.9982604980. The cubic root of 268435399 is about 645.0795318871.

It can be divided in two parts, 2684 and 35399, that added together give a palindrome (38083).

The spelling of 268435399 in words is "two hundred sixty-eight million, four hundred thirty-five thousand, three hundred ninety-nine".