340029418 has 4 divisors (see below), whose sum is σ = 510044130. Its totient is φ = 170014708.

The previous prime is 340029413. The next prime is 340029439. The reversal of 340029418 is 814920043.

340029418 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: 814920043 = 7 ⋅116417149.

It can be written as a sum of positive squares in only one way, i.e., 187333969 + 152695449 = 13687^2 + 12357^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 340029418.

It is not an unprimeable number, because it can be changed into a prime (340029413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85007353 + ... + 85007356.

Almost surely, 2^340029418 is an apocalyptic number.

340029418 is a deficient number, since it is larger than the sum of its proper divisors (170014712).

340029418 is a wasteful number, since it uses less digits than its factorization.

340029418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170014711.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 340029418 is about 18439.8866048574. The cubic root of 340029418 is about 697.9733339019.

The spelling of 340029418 in words is "three hundred forty million, twenty-nine thousand, four hundred eighteen".