343666136 has 24 divisors (see below), whose sum is σ = 708280860. Its totient is φ = 156211440.

The previous prime is 343666133. The next prime is 343666157. The reversal of 343666136 is 631666343.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 343666136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343666133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176546 + ... + 178481.

Almost surely, 2^343666136 is an apocalyptic number.

It is an amenable number.

343666136 is an abundant number, since it is smaller than the sum of its proper divisors (364614724).

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

343666136 is a wasteful number, since it uses less digits than its factorization.

343666136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355055 (or 355040 counting only the distinct ones).

The product of its digits is 139968, while the sum is 38.

The square root of 343666136 is about 18538.2344358895. The cubic root of 343666136 is about 700.4528607029.

The spelling of 343666136 in words is "three hundred forty-three million, six hundred sixty-six thousand, one hundred thirty-six".