234730188 has 108 divisors (see below), whose sum is σ = 753027912. Its totient is φ = 60963840.

The previous prime is 234730159. The next prime is 234730193. The reversal of 234730188 is 881037432.

234730188 is a `hidden beast` number, since 2 + 3 + 473 + 0 + 188 = 666.

It is a super-2 number, since 2×234730188² = 110196522317030688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13356 + ... + 25452.

Almost surely, 2^234730188 is an apocalyptic number.

234730188 is a gapful number since it is divisible by the number (28) 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 234730188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376513956).

234730188 is an abundant number, since it is smaller than the sum of its proper divisors (518297724).

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

234730188 is a wasteful number, since it uses less digits than its factorization.

234730188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132 (or 12120 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 234730188 is about 15320.9068922176. The cubic root of 234730188 is about 616.8643170023.

The spelling of 234730188 in words is "two hundred thirty-four million, seven hundred thirty thousand, one hundred eighty-eight".