235506 has 8 divisors (see below), whose sum is σ = 471024. Its totient is φ = 78500.

The previous prime is 235493. The next prime is 235513. The reversal of 235506 is 605532.

235506 is digitally balanced in base 3, 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.

235506 is an admirable number.

It is an unprimeable number.

235506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19620 + ... + 19631.

It is an arithmetic number, because the mean of its divisors is an integer number (58878).

2²³⁵⁵⁰⁶ is an apocalyptic number.

235506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

235506 is a wasteful number, since it uses less digits than its factorization.

235506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39256.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 235506 is about 485.2896042571. The cubic root of 235506 is about 61.7543173671.

It can be divided in two parts, 235 and 506, that added together give a triangular number (741 = T₃₈).

The spelling of 235506 in words is "two hundred thirty-five thousand, five hundred six".