343985242 has 16 divisors (see below), whose sum is σ = 549496872. Its totient is φ = 160936960.

The previous prime is 343985237. The next prime is 343985249. The reversal of 343985242 is 242589343.

It can be written as a sum of positive squares in 4 ways, for example, as 312971481 + 31013761 = 17691^2 + 5569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343985195 and 343985204.

It is not an unprimeable number, because it can be changed into a prime (343985249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23359 + ... + 35122.

Almost surely, 2^343985242 is an apocalyptic number.

343985242 is a deficient number, since it is larger than the sum of its proper divisors (205511630).

343985242 is a wasteful number, since it uses less digits than its factorization.

343985242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58673.

The product of its digits is 207360, while the sum is 40.

The square root of 343985242 is about 18546.8391377075. The cubic root of 343985242 is about 700.6695919440.

The spelling of 343985242 in words is "three hundred forty-three million, nine hundred eighty-five thousand, two hundred forty-two".