234395140 has 48 divisors (see below), whose sum is σ = 570495744. Its totient is φ = 79228800.

The previous prime is 234395129. The next prime is 234395149. The reversal of 234395140 is 41593432.

It is not an unprimeable number, because it can be changed into a prime (234395149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (11885328).

Almost surely, 2^234395140 is an apocalyptic number.

234395140 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 234395140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285247872).

234395140 is an abundant number, since it is smaller than the sum of its proper divisors (336100604).

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

234395140 is a wasteful number, since it uses less digits than its factorization.

234395140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23668 (or 23666 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 234395140 is about 15309.9686479104. The cubic root of 234395140 is about 616.5706783474.

The spelling of 234395140 in words is "two hundred thirty-four million, three hundred ninety-five thousand, one hundred forty".