343728684 has 120 divisors (see below), whose sum is σ = 980893760. Its totient is φ = 104322816.

The previous prime is 343728667. The next prime is 343728701. The reversal of 343728684 is 486827343.

It is an interprime number because it is at equal distance from previous prime (343728667) and next prime (343728701).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 332232 + ... + 333264.

Almost surely, 2^343728684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343728684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490446880).

343728684 is an abundant number, since it is smaller than the sum of its proper divisors (637165076).

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

343728684 is a wasteful number, since it uses less digits than its factorization.

343728684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1130 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 343728684 is about 18539.9213590565. The cubic root of 343728684 is about 700.4953527838.

The spelling of 343728684 in words is "three hundred forty-three million, seven hundred twenty-eight thousand, six hundred eighty-four".