340710434 has 4 divisors (see below), whose sum is σ = 511065654. Its totient is φ = 170355216.

The previous prime is 340710421. The next prime is 340710443. The reversal of 340710434 is 434017043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195580225 + 145130209 = 13985^2 + 12047^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85177607 + ... + 85177610.

Almost surely, 2^340710434 is an apocalyptic number.

340710434 is a deficient number, since it is larger than the sum of its proper divisors (170355220).

340710434 is a wasteful number, since it uses less digits than its factorization.

340710434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170355219.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 340710434 is about 18458.3432084247. The cubic root of 340710434 is about 698.4389936381.

Adding to 340710434 its reverse (434017043), we get a palindrome (774727477).

The spelling of 340710434 in words is "three hundred forty million, seven hundred ten thousand, four hundred thirty-four".