343404030 has 64 divisors (see below), whose sum is σ = 883312128. Its totient is φ = 85219200.

The previous prime is 343404001. The next prime is 343404031. The reversal of 343404030 is 30404343.

It is a junction number, because it is equal to n+sod(n) for n = 343403988 and 343404006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343404031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18805 + ... + 32255.

It is an arithmetic number, because the mean of its divisors is an integer number (13801752).

Almost surely, 2^343404030 is an apocalyptic number.

343404030 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 343404030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441656064).

343404030 is an abundant number, since it is smaller than the sum of its proper divisors (539908098).

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

343404030 is a wasteful number, since it uses less digits than its factorization.

343404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 343404030 is about 18531.1637519072. The cubic root of 343404030 is about 700.2747424925.

Adding to 343404030 its reverse (30404343), we get a palindrome (373808373).

The spelling of 343404030 in words is "three hundred forty-three million, four hundred four thousand, thirty".