343901856 has 48 divisors (see below), whose sum is σ = 908004384. Its totient is φ = 113965824.

The previous prime is 343901837. The next prime is 343901863. The reversal of 343901856 is 658109343.

It is a tau number, because it is divible by the number of its divisors (48).

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, 6255 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (18916758).

Almost surely, 2^343901856 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 343901856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454002192).

343901856 is an abundant number, since it is smaller than the sum of its proper divisors (564102528).

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

343901856 is a wasteful number, since it uses less digits than its factorization.

343901856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893 (or 20885 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 343901856 is about 18544.5910173290. The cubic root of 343901856 is about 700.6129705650.

The spelling of 343901856 in words is "three hundred forty-three million, nine hundred one thousand, eight hundred fifty-six".