340424834 has 4 divisors (see below), whose sum is σ = 510637254. Its totient is φ = 170212416.

The previous prime is 340424831. The next prime is 340424893. The reversal of 340424834 is 438424043.

340424834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438424043 = 7993 ⋅54851.

It can be written as a sum of positive squares in only one way, i.e., 255840025 + 84584809 = 15995^2 + 9197^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340424834.

It is not an unprimeable number, because it can be changed into a prime (340424831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85106207 + ... + 85106210.

Almost surely, 2^340424834 is an apocalyptic number.

340424834 is a deficient number, since it is larger than the sum of its proper divisors (170212420).

340424834 is a wasteful number, since it uses less digits than its factorization.

340424834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170212419.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 340424834 is about 18450.6052475251. The cubic root of 340424834 is about 698.2437839439.

Adding to 340424834 its reverse (438424043), we get a palindrome (778848877).

The spelling of 340424834 in words is "three hundred forty million, four hundred twenty-four thousand, eight hundred thirty-four".