340234230 has 64 divisors (see below), whose sum is σ = 935359488. Its totient is φ = 77589120.

The previous prime is 340234217. The next prime is 340234247. The reversal of 340234230 is 32432043.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340234197 and 340234206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104020 + ... + 107240.

It is an arithmetic number, because the mean of its divisors is an integer number (14614992).

Almost surely, 2^340234230 is an apocalyptic number.

340234230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340234230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467679744).

340234230 is an abundant number, since it is smaller than the sum of its proper divisors (595125258).

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

340234230 is a wasteful number, since it uses less digits than its factorization.

340234230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340234230 is about 18445.4392737067. The cubic root of 340234230 is about 698.1134439576.

Adding to 340234230 its reverse (32432043), we get a palindrome (372666273).

The spelling of 340234230 in words is "three hundred forty million, two hundred thirty-four thousand, two hundred thirty".