343406442 has 32 divisors (see below), whose sum is σ = 697600512. Its totient is φ = 112684784.

The previous prime is 343406419. The next prime is 343406473. The reversal of 343406442 is 244604343.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 105613 + ... + 108815.

It is an arithmetic number, because the mean of its divisors is an integer number (21800016).

Almost surely, 2^343406442 is an apocalyptic number.

343406442 is an abundant number, since it is smaller than the sum of its proper divisors (354194070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343406442 is a wasteful number, since it uses less digits than its factorization.

343406442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 343406442 is about 18531.2288313538. The cubic root of 343406442 is about 700.2763820178.

The spelling of 343406442 in words is "three hundred forty-three million, four hundred six thousand, four hundred forty-two".