535989 has 8 divisors (see below), whose sum is σ = 728352. Its totient is φ = 350480.

The previous prime is 535973. The next prime is 535991. The reversal of 535989 is 989535.

535989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 535989 - 2⁴ = 535973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (91044).

2⁵³⁵⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

535989 is a deficient number, since it is larger than the sum of its proper divisors (192363).

535989 is a wasteful number, since it uses less digits than its factorization.

535989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 48600, while the sum is 39.

The square root of 535989 is about 732.1126962429. The cubic root of 535989 is about 81.2304063207.

The spelling of 535989 in words is "five hundred thirty-five thousand, nine hundred eighty-nine".