343400850 has 192 divisors, whose sum is σ = 1079930880. Its totient is φ = 79488000.

The previous prime is 343400839. The next prime is 343400887. The reversal of 343400850 is 58004343.

It is a happy number.

343400850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 297775 + ... + 298925.

It is an arithmetic number, because the mean of its divisors is an integer number (5624640).

Almost surely, 2^343400850 is an apocalyptic number.

343400850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 343400850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

343400850 is an abundant number, since it is smaller than the sum of its proper divisors (736530030).

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

343400850 is a wasteful number, since it uses less digits than its factorization.

343400850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 343400850 is about 18531.0779502974. The cubic root of 343400850 is about 700.2725809177.

The spelling of 343400850 in words is "three hundred forty-three million, four hundred thousand, eight hundred fifty".