343257242 has 16 divisors (see below), whose sum is σ = 522636840. Its totient is φ = 169051392.

The previous prime is 343257197. The next prime is 343257263. The reversal of 343257242 is 242752343.

It can be written as a sum of positive squares in 4 ways, for example, as 331567681 + 11689561 = 18209^2 + 3419^2 .

It is a super-3 number, since 3×343257242³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343257199 and 343257208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178478 + ... + 180390.

Almost surely, 2^343257242 is an apocalyptic number.

343257242 is a deficient number, since it is larger than the sum of its proper divisors (179379598).

343257242 is a wasteful number, since it uses less digits than its factorization.

343257242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its digits is 40320, while the sum is 32.

The square root of 343257242 is about 18527.2027570273. The cubic root of 343257242 is about 700.1749508288.

The spelling of 343257242 in words is "three hundred forty-three million, two hundred fifty-seven thousand, two hundred forty-two".