285268269 has 48 divisors (see below), whose sum is σ = 458081792. Its totient is φ = 156816000.

The previous prime is 285268267. The next prime is 285268301. The reversal of 285268269 is 962862582.

It is not a de Polignac number, because 285268269 - 2¹ = 285268267 is a prime.

It is a super-2 number, since 2×285268269² = 162755970596512722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285268267) 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 in 47 ways as a sum of consecutive naturals, for example, 287364 + ... + 288354.

Almost surely, 2^285268269 is an apocalyptic number.

It is an amenable number.

285268269 is a deficient number, since it is larger than the sum of its proper divisors (172813523).

285268269 is a wasteful number, since it uses less digits than its factorization.

285268269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1079 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 285268269 is about 16889.8865893173. The cubic root of 285268269 is about 658.2908555761.

The spelling of 285268269 in words is "two hundred eighty-five million, two hundred sixty-eight thousand, two hundred sixty-nine".