343653242 has 4 divisors (see below), whose sum is σ = 515479866. Its totient is φ = 171826620.

The previous prime is 343653241. The next prime is 343653253. The reversal of 343653242 is 242356343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 297942121 + 45711121 = 17261^2 + 6761^2 .

It is a super-2 number, since 2×343653242² = 236195101474221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343653199 and 343653208.

It is not an unprimeable number, because it can be changed into a prime (343653241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85913309 + ... + 85913312.

Almost surely, 2^343653242 is an apocalyptic number.

343653242 is a deficient number, since it is larger than the sum of its proper divisors (171826624).

343653242 is a wasteful number, since it uses less digits than its factorization.

343653242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826623.

The product of its digits is 51840, while the sum is 32.

The square root of 343653242 is about 18537.8866648817. The cubic root of 343653242 is about 700.4441005030. Note that the first 3 decimals are identical.

The spelling of 343653242 in words is "three hundred forty-three million, six hundred fifty-three thousand, two hundred forty-two".