343940736 has 256 divisors, whose sum is σ = 1057536000. Its totient is φ = 98353152.

The previous prime is 343940713. The next prime is 343940777. The reversal of 343940736 is 637049343.

It is a junction number, because it is equal to n+sod(n) for n = 343940694 and 343940703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5829475 + ... + 5829533.

It is an arithmetic number, because the mean of its divisors is an integer number (4131000).

Almost surely, 2^343940736 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 343940736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528768000).

343940736 is an abundant number, since it is smaller than the sum of its proper divisors (713595264).

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

343940736 is a wasteful number, since it uses less digits than its factorization.

343940736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

The square root of 343940736 is about 18545.6392718073. The cubic root of 343940736 is about 700.6393722892.

The spelling of 343940736 in words is "three hundred forty-three million, nine hundred forty thousand, seven hundred thirty-six".