343727240 has 32 divisors (see below), whose sum is σ = 781052760. Its totient is φ = 136128000.

The previous prime is 343727239. The next prime is 343727257. The reversal of 343727240 is 42727343.

It can be written as a sum of positive squares in 4 ways, for example, as 335695684 + 8031556 = 18322^2 + 2834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343727197 and 343727206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38501 + ... + 46580.

Almost surely, 2^343727240 is an apocalyptic number.

It is an amenable number.

343727240 is an abundant number, since it is smaller than the sum of its proper divisors (437325520).

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

343727240 is a wasteful number, since it uses less digits than its factorization.

343727240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85193 (or 85189 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 343727240 is about 18539.8824160241. The cubic root of 343727240 is about 700.4943718583.

The spelling of 343727240 in words is "three hundred forty-three million, seven hundred twenty-seven thousand, two hundred forty".