340702234 has 4 divisors (see below), whose sum is σ = 511053354. Its totient is φ = 170351116.

The previous prime is 340702223. The next prime is 340702247. The reversal of 340702234 is 432207043.

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., 308178025 + 32524209 = 17555^2 + 5703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340702199 and 340702208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85175557 + ... + 85175560.

Almost surely, 2^340702234 is an apocalyptic number.

340702234 is a deficient number, since it is larger than the sum of its proper divisors (170351120).

340702234 is a wasteful number, since it uses less digits than its factorization.

340702234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170351119.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 340702234 is about 18458.1210853109. The cubic root of 340702234 is about 698.4333903993.

Adding to 340702234 its reverse (432207043), we get a palindrome (772909277).

The spelling of 340702234 in words is "three hundred forty million, seven hundred two thousand, two hundred thirty-four".