342684342 has 324 divisors, whose sum is σ = 1082111940. Its totient is φ = 77837760.

The previous prime is 342684319. The next prime is 342684367. The reversal of 342684342 is 243486243.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 342684297 and 342684306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 18036009 + ... + 18036027.

Almost surely, 2^342684342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342684342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541055970).

342684342 is an abundant number, since it is smaller than the sum of its proper divisors (739427598).

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

342684342 is a wasteful number, since it uses less digits than its factorization.

342684342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 55 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 342684342 is about 18511.7352509158. The cubic root of 342684342 is about 699.7852007610.

The spelling of 342684342 in words is "three hundred forty-two million, six hundred eighty-four thousand, three hundred forty-two".