235680 has 48 divisors (see below), whose sum is σ = 743904. Its totient is φ = 62720.

The previous prime is 235679. The next prime is 235699. The reversal of 235680 is 86532.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 235680.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 235 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (15498).

2²³⁵⁶⁸⁰ is an apocalyptic number.

235680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371952).

235680 is an abundant number, since it is smaller than the sum of its proper divisors (508224).

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

235680 is a wasteful number, since it uses less digits than its factorization.

235680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 235680 is about 485.4688455504. The cubic root of 235680 is about 61.7695223668.

The spelling of 235680 in words is "two hundred thirty-five thousand, six hundred eighty".