343430784 has 96 divisors (see below), whose sum is σ = 993160740. Its totient is φ = 113909760.

The previous prime is 343430783. The next prime is 343430827. The reversal of 343430784 is 487034343.

It is a happy number.

343430784 is a `hidden beast` number, since 343 + 4 + 307 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 319694400 + 23736384 = 17880^2 + 4872^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (343430783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277014 + ... + 278250.

Almost surely, 2^343430784 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 343430784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496580370).

343430784 is an abundant number, since it is smaller than the sum of its proper divisors (649729956).

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

343430784 is a wasteful number, since it uses less digits than its factorization.

343430784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 343430784 is about 18531.8856029277. The cubic root of 343430784 is about 700.2929277421.

The spelling of 343430784 in words is "three hundred forty-three million, four hundred thirty thousand, seven hundred eighty-four".