344730426 has 16 divisors (see below), whose sum is σ = 689909184. Its totient is φ = 114835424.

The previous prime is 344730389. The next prime is 344730461. The reversal of 344730426 is 624037443.

It is a super-2 number, since 2×344730426² = 237678133220282952, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 27518.

It is an arithmetic number, because the mean of its divisors is an integer number (43119324).

Almost surely, 2^344730426 is an apocalyptic number.

344730426 is an abundant number, since it is smaller than the sum of its proper divisors (345178758).

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

344730426 is a wasteful number, since it uses less digits than its factorization.

344730426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37365.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 344730426 is about 18566.9175147626. The cubic root of 344730426 is about 701.1751864926.

Adding to 344730426 its reverse (624037443), we get a palindrome (968767869).

The spelling of 344730426 in words is "three hundred forty-four million, seven hundred thirty thousand, four hundred twenty-six".