343443442 has 4 divisors (see below), whose sum is σ = 515165166. Its totient is φ = 171721720.

The previous prime is 343443431. The next prime is 343443461. The reversal of 343443442 is 244344343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244344343 = 29 ⋅8425667.

It can be written as a sum of positive squares in only one way, i.e., 297597001 + 45846441 = 17251^2 + 6771^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85860859 + ... + 85860862.

Almost surely, 2^343443442 is an apocalyptic number.

343443442 is a deficient number, since it is larger than the sum of its proper divisors (171721724).

343443442 is a wasteful number, since it uses less digits than its factorization.

343443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171721723.

The product of its digits is 55296, while the sum is 31.

The square root of 343443442 is about 18532.2271192644. The cubic root of 343443442 is about 700.3015313185.

Adding to 343443442 its reverse (244344343), we get a palindrome (587787785).

Subtracting from 343443442 its reverse (244344343), we obtain a palindrome (99099099).

The spelling of 343443442 in words is "three hundred forty-three million, four hundred forty-three thousand, four hundred forty-two".