343539140 has 48 divisors (see below), whose sum is σ = 827283072. Its totient is φ = 117386496.

The previous prime is 343539113. The next prime is 343539143. The reversal of 343539140 is 41935343.

It is a junction number, because it is equal to n+sod(n) for n = 343539097 and 343539106.

It is not an unprimeable number, because it can be changed into a prime (343539143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38984 + ... + 46976.

It is an arithmetic number, because the mean of its divisors is an integer number (17235064).

Almost surely, 2^343539140 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 343539140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413641536).

343539140 is an abundant number, since it is smaller than the sum of its proper divisors (483743932).

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

343539140 is a wasteful number, since it uses less digits than its factorization.

343539140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8314 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 343539140 is about 18534.8088741158. The cubic root of 343539140 is about 700.3665699091.

The spelling of 343539140 in words is "three hundred forty-three million, five hundred thirty-nine thousand, one hundred forty".