344213430 has 64 divisors (see below), whose sum is σ = 920429568. Its totient is φ = 81666560.

The previous prime is 344213413. The next prime is 344213437. The reversal of 344213430 is 34312443.

It is a self number, because there is not a number n which added to its sum of digits gives 344213430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344213437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4414 + ... + 26606.

It is an arithmetic number, because the mean of its divisors is an integer number (14381712).

Almost surely, 2^344213430 is an apocalyptic number.

344213430 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 344213430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460214784).

344213430 is an abundant number, since it is smaller than the sum of its proper divisors (576216138).

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

344213430 is a wasteful number, since it uses less digits than its factorization.

344213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22261.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344213430 is about 18552.9897860156. The cubic root of 344213430 is about 700.8244910816.

Adding to 344213430 its reverse (34312443), we get a palindrome (378525873).

The spelling of 344213430 in words is "three hundred forty-four million, two hundred thirteen thousand, four hundred thirty".