343503442 has 8 divisors (see below), whose sum is σ = 515749500. Its totient is φ = 171586944.

The previous prime is 343503427. The next prime is 343503473. The reversal of 343503442 is 244305343.

343503442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 323244441 + 20259001 = 17979^2 + 4501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×343503442² = 235989229331694728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343503442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79767 + ... + 83962.

Almost surely, 2^343503442 is an apocalyptic number.

343503442 is a deficient number, since it is larger than the sum of its proper divisors (172246058).

343503442 is a wasteful number, since it uses less digits than its factorization.

343503442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164780.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 343503442 is about 18533.8458502276. The cubic root of 343503442 is about 700.3423101291.

Adding to 343503442 its reverse (244305343), we get a palindrome (587808785).

The spelling of 343503442 in words is "three hundred forty-three million, five hundred three thousand, four hundred forty-two".