535869 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 351648.

The previous prime is 535861. The next prime is 535879. The reversal of 535869 is 968535.

535869 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 535869 - 2³ = 535861 is a prime.

It is a super-3 number, since 3×535869³ = 461633328793919727, which contains 333 as substring. Note that it is a super-d number also for d = 2.

535869 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292 + ... + 2514.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁵³⁵⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

535869 is a deficient number, since it is larger than the sum of its proper divisors (270531).

535869 is a wasteful number, since it uses less digits than its factorization.

535869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 535869 is about 732.0307370596. The cubic root of 535869 is about 81.2243437732.

The spelling of 535869 in words is "five hundred thirty-five thousand, eight hundred sixty-nine".