535826 has 4 divisors (see below), whose sum is σ = 803742. Its totient is φ = 267912.

The previous prime is 535811. The next prime is 535849. The reversal of 535826 is 628535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 628535 = 5 ⋅125707.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 10201 = 725^2 + 101^2 .

It is an unprimeable number.

535826 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 as a sum of consecutive naturals, namely, 133955 + ... + 133958.

2⁵³⁵⁸²⁶ is an apocalyptic number.

535826 is a deficient number, since it is larger than the sum of its proper divisors (267916).

535826 is a wasteful number, since it uses less digits than its factorization.

535826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267915.

The product of its digits is 7200, while the sum is 29.

The square root of 535826 is about 732.0013661189. The cubic root of 535826 is about 81.2221711401. Note that the first 3 decimals are identical.

The spelling of 535826 in words is "five hundred thirty-five thousand, eight hundred twenty-six".