343927842 has 16 divisors (see below), whose sum is σ = 688044672. Its totient is φ = 114611120.

The previous prime is 343927841. The next prime is 343927861. The reversal of 343927842 is 248729343.

It is a junction number, because it is equal to n+sod(n) for n = 343927794 and 343927803.

It is not an unprimeable number, because it can be changed into a prime (343927841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29248 + ... + 39284.

It is an arithmetic number, because the mean of its divisors is an integer number (43002792).

Almost surely, 2^343927842 is an apocalyptic number.

343927842 is an abundant number, since it is smaller than the sum of its proper divisors (344116830).

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

343927842 is a wasteful number, since it uses less digits than its factorization.

343927842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753.

The product of its digits is 290304, while the sum is 42.

The square root of 343927842 is about 18545.2916396588. The cubic root of 343927842 is about 700.6306167527.

The spelling of 343927842 in words is "three hundred forty-three million, nine hundred twenty-seven thousand, eight hundred forty-two".