340343402 has 16 divisors (see below), whose sum is σ = 583804032. Its totient is φ = 145771920.

The previous prime is 340343401. The next prime is 340343413. The reversal of 340343402 is 204343043.

It is a happy number.

340343402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (340343401) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 19523 + ... + 32585.

It is an arithmetic number, because the mean of its divisors is an integer number (36487752).

Almost surely, 2^340343402 is an apocalyptic number.

340343402 is a deficient number, since it is larger than the sum of its proper divisors (243460630).

340343402 is a wasteful number, since it uses less digits than its factorization.

340343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340343402 is about 18448.3983586652. The cubic root of 340343402 is about 698.1881045727.

Adding to 340343402 its reverse (204343043), we get a palindrome (544686445).

The spelling of 340343402 in words is "three hundred forty million, three hundred forty-three thousand, four hundred two".