343138032 has 100 divisors (see below), whose sum is σ = 997826016. Its totient is φ = 113840640.

The previous prime is 343138007. The next prime is 343138051. The reversal of 343138032 is 230831343.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 343137987 and 343138005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 350728 + ... + 351704.

Almost surely, 2^343138032 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 343138032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498913008).

343138032 is an abundant number, since it is smaller than the sum of its proper divisors (654687984).

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

343138032 is a wasteful number, since it uses less digits than its factorization.

343138032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 343138032 is about 18523.9853163405. The cubic root of 343138032 is about 700.0938867267.

Adding to 343138032 its reverse (230831343), we get a palindrome (573969375).

The spelling of 343138032 in words is "three hundred forty-three million, one hundred thirty-eight thousand, thirty-two".