343440402 has 16 divisors (see below), whose sum is σ = 687086400. Its totient is φ = 114445872.

The previous prime is 343440373. The next prime is 343440437. The reversal of 343440402 is 204044343.

It is a happy number.

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, 21003 + ... + 33585.

It is an arithmetic number, because the mean of its divisors is an integer number (42942900).

Almost surely, 2^343440402 is an apocalyptic number.

343440402 is an abundant number, since it is smaller than the sum of its proper divisors (343645998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343440402 is a wasteful number, since it uses less digits than its factorization.

343440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17137.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 343440402 is about 18532.1450997989. The cubic root of 343440402 is about 700.2994650657.

Adding to 343440402 its reverse (204044343), we get a palindrome (547484745).

The spelling of 343440402 in words is "three hundred forty-three million, four hundred forty thousand, four hundred two".