234147856 has 30 divisors (see below), whose sum is σ = 469871402. Its totient is φ = 113030400.

The previous prime is 234147841. The next prime is 234147883. The reversal of 234147856 is 658741432.

It can be written as a sum of positive squares in 3 ways, for example, as 46457856 + 187690000 = 6816^2 + 13700^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4756 + ... + 22156.

Almost surely, 2^234147856 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 234147856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234935701).

234147856 is an abundant number, since it is smaller than the sum of its proper divisors (235723546).

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

234147856 is a wasteful number, since it uses less digits than its factorization.

234147856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17467 (or 17432 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 234147856 is about 15301.8906021446. The cubic root of 234147856 is about 616.3537772172.

The spelling of 234147856 in words is "two hundred thirty-four million, one hundred forty-seven thousand, eight hundred fifty-six".