234436320 has 144 divisors (see below), whose sum is σ = 811635552. Its totient is φ = 61608960.

The previous prime is 234436313. The next prime is 234436337. The reversal of 234436320 is 23634432.

It is a happy number.

234436320 is a `hidden beast` number, since 23 + 4 + 4 + 3 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101094 + ... + 103386.

It is an arithmetic number, because the mean of its divisors is an integer number (5636358).

Almost surely, 2^234436320 is an apocalyptic number.

234436320 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 234436320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405817776).

234436320 is an abundant number, since it is smaller than the sum of its proper divisors (577199232).

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

234436320 is a wasteful number, since it uses less digits than its factorization.

234436320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 234436320 is about 15311.3134642329. The cubic root of 234436320 is about 616.6067838938.

The spelling of 234436320 in words is "two hundred thirty-four million, four hundred thirty-six thousand, three hundred twenty".