28463269 has 2 divisors, whose sum is σ = 28463270. Its totient is φ = 28463268.

The previous prime is 28463263. The next prime is 28463293. The reversal of 28463269 is 96236482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 743044 = 5265^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 28463269 - 2¹⁷ = 28332197 is a prime.

It is a super-2 number, since 2×28463269² = 1620315364332722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28463263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14231634 + 14231635.

It is an arithmetic number, because the mean of its divisors is an integer number (14231635).

Almost surely, 2^28463269 is an apocalyptic number.

It is an amenable number.

28463269 is a deficient number, since it is larger than the sum of its proper divisors (1).

28463269 is an equidigital number, since it uses as much as digits as its factorization.

28463269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 28463269 is about 5335.0978435264. The cubic root of 28463269 is about 305.3244563005.

The spelling of 28463269 in words is "twenty-eight million, four hundred sixty-three thousand, two hundred sixty-nine".