535690 has 8 divisors (see below), whose sum is σ = 964260. Its totient is φ = 214272.

The previous prime is 535679. The next prime is 535697. The reversal of 535690 is 96535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 488601 + 47089 = 699^2 + 217^2 .

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

It is a super-2 number, since 2×535690² = 573927552200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (535697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26775 + ... + 26794.

2⁵³⁵⁶⁹⁰ is an apocalyptic number.

535690 is a deficient number, since it is larger than the sum of its proper divisors (428570).

535690 is a wasteful number, since it uses less digits than its factorization.

535690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53576.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 535690 is about 731.9084642221. The cubic root of 535690 is about 81.2152987910.

It can be divided in two parts, 535 and 690, that added together give a triangular number (1225 = T₄₉).

The spelling of 535690 in words is "five hundred thirty-five thousand, six hundred ninety".