234470340 has 144 divisors (see below), whose sum is σ = 774581808. Its totient is φ = 57065472.

The previous prime is 234470309. The next prime is 234470347. The reversal of 234470340 is 43074432.

234470340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12996 + 234457344 = 114^2 + 15312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234470347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226464 + ... + 227496.

Almost surely, 2^234470340 is an apocalyptic number.

234470340 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 234470340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387290904).

234470340 is an abundant number, since it is smaller than the sum of its proper divisors (540111468).

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

234470340 is a wasteful number, since it uses less digits than its factorization.

234470340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 234470340 is about 15312.4243671602. The cubic root of 234470340 is about 616.6366085503.

The spelling of 234470340 in words is "two hundred thirty-four million, four hundred seventy thousand, three hundred forty".