343395040 has 24 divisors (see below), whose sum is σ = 811271160. Its totient is φ = 137357952.

The previous prime is 343394981. The next prime is 343395043. The reversal of 343395040 is 40593343.

It is a junction number, because it is equal to n+sod(n) for n = 343394993 and 343395011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343395043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072950 + ... + 1073269.

It is an arithmetic number, because the mean of its divisors is an integer number (33802965).

Almost surely, 2^343395040 is an apocalyptic number.

It is an amenable number.

343395040 is an abundant number, since it is smaller than the sum of its proper divisors (467876120).

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

343395040 is a wasteful number, since it uses less digits than its factorization.

343395040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146234 (or 2146226 counting only the distinct ones).

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

The square root of 343395040 is about 18530.9211859530. The cubic root of 343395040 is about 700.2686315908.

The spelling of 343395040 in words is "three hundred forty-three million, three hundred ninety-five thousand, forty".