235564 has 24 divisors (see below), whose sum is σ = 483840. Its totient is φ = 98256.

The previous prime is 235559. The next prime is 235577. The reversal of 235564 is 465532.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2²³⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920).

235564 is an abundant number, since it is smaller than the sum of its proper divisors (248276).

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

235564 is a wasteful number, since it uses less digits than its factorization.

235564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 235564 is about 485.3493587098. The cubic root of 235564 is about 61.7593865322.

The spelling of 235564 in words is "two hundred thirty-five thousand, five hundred sixty-four".