343944306 has 80 divisors (see below), whose sum is σ = 827988480. Its totient is φ = 106323840.

The previous prime is 343944283. The next prime is 343944311. The reversal of 343944306 is 603449343.

It is a happy number.

343944306 is a `hidden beast` number, since 343 + 9 + 4 + 4 + 306 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 194655 + ... + 196413.

It is an arithmetic number, because the mean of its divisors is an integer number (10349856).

Almost surely, 2^343944306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343944306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413994240).

343944306 is an abundant number, since it is smaller than the sum of its proper divisors (484044174).

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

343944306 is a wasteful number, since it uses less digits than its factorization.

343944306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1852 counting only the distinct ones).

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

The square root of 343944306 is about 18545.7355205988. The cubic root of 343944306 is about 700.6417964218.

The spelling of 343944306 in words is "three hundred forty-three million, nine hundred forty-four thousand, three hundred six".