234320856 has 96 divisors (see below), whose sum is σ = 735947520. Its totient is φ = 60857280.

The previous prime is 234320851. The next prime is 234320857. The reversal of 234320856 is 658023432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234320851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14565 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (7666120).

Almost surely, 2^234320856 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 234320856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367973760).

234320856 is an abundant number, since it is smaller than the sum of its proper divisors (501626664).

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

234320856 is a wasteful number, since it uses less digits than its factorization.

234320856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565 (or 11550 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 234320856 is about 15307.5424546202. The cubic root of 234320856 is about 616.5055373843.

The spelling of 234320856 in words is "two hundred thirty-four million, three hundred twenty thousand, eight hundred fifty-six".