535428 has 36 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 175536.

The previous prime is 535399. The next prime is 535481. The reversal of 535428 is 824535.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

535428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3783 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2⁵³⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

535428 is an abundant number, since it is smaller than the sum of its proper divisors (840492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535428 is a wasteful number, since it uses less digits than its factorization.

535428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 535428 is about 731.7294582016. The cubic root of 535428 is about 81.2020561331.

The spelling of 535428 in words is "five hundred thirty-five thousand, four hundred twenty-eight".