340147934 has 32 divisors (see below), whose sum is σ = 637341696. Its totient is φ = 132773760.

The previous prime is 340147909. The next prime is 340147939. The reversal of 340147934 is 439741043.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 340147894 and 340147903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340147939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15674 + ... + 30429.

It is an arithmetic number, because the mean of its divisors is an integer number (19916928).

Almost surely, 2^340147934 is an apocalyptic number.

340147934 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

340147934 is a deficient number, since it is larger than the sum of its proper divisors (297193762).

340147934 is a wasteful number, since it uses less digits than its factorization.

340147934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46160.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 340147934 is about 18443.0999021314. The cubic root of 340147934 is about 698.0544164930.

Adding to 340147934 its reverse (439741043), we get a palindrome (779888977).

The spelling of 340147934 in words is "three hundred forty million, one hundred forty-seven thousand, nine hundred thirty-four".