343330866 has 64 divisors (see below), whose sum is σ = 780192000. Its totient is φ = 111888000.

The previous prime is 343330837. The next prime is 343330961. The reversal of 343330866 is 668033343.

It is a happy number.

343330866 is a `hidden beast` number, since 343 + 3 + 308 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 343330866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570966 + ... + 571566.

It is an arithmetic number, because the mean of its divisors is an integer number (12190500).

Almost surely, 2^343330866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343330866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390096000).

343330866 is an abundant number, since it is smaller than the sum of its proper divisors (436861134).

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

343330866 is a wasteful number, since it uses less digits than its factorization.

343330866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 343330866 is about 18529.1895667350. The cubic root of 343330866 is about 700.2250065782.

The spelling of 343330866 in words is "three hundred forty-three million, three hundred thirty thousand, eight hundred sixty-six".