343539040 has 192 divisors, whose sum is σ = 938843136. Its totient is φ = 117798912.

The previous prime is 343539037. The next prime is 343539047. The reversal of 343539040 is 40935343.

It is a junction number, because it is equal to n+sod(n) for n = 343538993 and 343539011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343539047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2057037 + ... + 2057203.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 2^343539040 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 343539040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469421568).

343539040 is an abundant number, since it is smaller than the sum of its proper divisors (595304096).

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

343539040 is a wasteful number, since it uses less digits than its factorization.

343539040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 343539040 is about 18534.8061764886. The cubic root of 343539040 is about 700.3665019531.

The spelling of 343539040 in words is "three hundred forty-three million, five hundred thirty-nine thousand, forty".