340343212 has 24 divisors (see below), whose sum is σ = 650220480. Its totient is φ = 154588560.

The previous prime is 340343207. The next prime is 340343273. The reversal of 340343212 is 212343043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 in 7 ways as a sum of consecutive naturals, for example, 101263 + ... + 104569.

It is an arithmetic number, because the mean of its divisors is an integer number (27092520).

Almost surely, 2^340343212 is an apocalyptic number.

It is an amenable number.

340343212 is a deficient number, since it is larger than the sum of its proper divisors (309877268).

340343212 is a wasteful number, since it uses less digits than its factorization.

340343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340343212 is about 18448.3932091659. The cubic root of 340343212 is about 698.1879746492.

Adding to 340343212 its reverse (212343043), we get a palindrome (552686255).

The spelling of 340343212 in words is "three hundred forty million, three hundred forty-three thousand, two hundred twelve".