268467389 has 2 divisors, whose sum is σ = 268467390. Its totient is φ = 268467388.

The previous prime is 268467379. The next prime is 268467457. The reversal of 268467389 is 983764862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181791289 + 86676100 = 13483^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 268467389 - 2¹⁶ = 268401853 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268467389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268467379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134233694 + 134233695.

It is an arithmetic number, because the mean of its divisors is an integer number (134233695).

Almost surely, 2^268467389 is an apocalyptic number.

It is an amenable number.

268467389 is a deficient number, since it is larger than the sum of its proper divisors (1).

268467389 is an equidigital number, since it uses as much as digits as its factorization.

268467389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The square root of 268467389 is about 16384.9744888419. The cubic root of 268467389 is about 645.1051560219.

The spelling of 268467389 in words is "two hundred sixty-eight million, four hundred sixty-seven thousand, three hundred eighty-nine".