340230434 has 8 divisors (see below), whose sum is σ = 511086288. Its totient is φ = 169868340.

The previous prime is 340230433. The next prime is 340230437. The reversal of 340230434 is 434032043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (340230433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121712 + ... + 124475.

It is an arithmetic number, because the mean of its divisors is an integer number (63885786).

Almost surely, 2^340230434 is an apocalyptic number.

340230434 is a deficient number, since it is larger than the sum of its proper divisors (170855854).

340230434 is a wasteful number, since it uses less digits than its factorization.

340230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246880.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340230434 is about 18445.3363753552. The cubic root of 340230434 is about 698.1108476595.

Adding to 340230434 its reverse (434032043), we get a palindrome (774262477).

The spelling of 340230434 in words is "three hundred forty million, two hundred thirty thousand, four hundred thirty-four".