343284390 has 96 divisors (see below), whose sum is σ = 944116992. Its totient is φ = 86400000.

The previous prime is 343284379. The next prime is 343284413. The reversal of 343284390 is 93482343.

It is a happy number.

343284390 is a `hidden beast` number, since 343 + 284 + 39 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112890 + ... + 115890.

It is an arithmetic number, because the mean of its divisors is an integer number (9834552).

Almost surely, 2^343284390 is an apocalyptic number.

343284390 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 343284390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472058496).

343284390 is an abundant number, since it is smaller than the sum of its proper divisors (600832602).

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

343284390 is a wasteful number, since it uses less digits than its factorization.

343284390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 343284390 is about 18527.9353949651. The cubic root of 343284390 is about 700.1934091414.

The spelling of 343284390 in words is "three hundred forty-three million, two hundred eighty-four thousand, three hundred ninety".