343405042 has 32 divisors (see below), whose sum is σ = 557466624. Its totient is φ = 158188800.

The previous prime is 343405033. The next prime is 343405043. The reversal of 343405042 is 240504343.

It is a junction number, because it is equal to n+sod(n) for n = 343404998 and 343405016.

It is not an unprimeable number, because it can be changed into a prime (343405043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400278 + ... + 401134.

It is an arithmetic number, because the mean of its divisors is an integer number (17420832).

Almost surely, 2^343405042 is an apocalyptic number.

343405042 is a deficient number, since it is larger than the sum of its proper divisors (214061582).

343405042 is a wasteful number, since it uses less digits than its factorization.

343405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 343405042 is about 18531.1910572418. The cubic root of 343405042 is about 700.2754303872.

Adding to 343405042 its reverse (240504343), we get a palindrome (583909385).

The spelling of 343405042 in words is "three hundred forty-three million, four hundred five thousand, forty-two".