344380434 has 32 divisors (see below), whose sum is σ = 734208000. Its totient is φ = 107372304.

The previous prime is 344380433. The next prime is 344380447. The reversal of 344380434 is 434083443.

It is a junction number, because it is equal to n+sod(n) for n = 344380395 and 344380404.

It is not an unprimeable number, because it can be changed into a prime (344380433) 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 15 ways as a sum of consecutive naturals, for example, 10114 + ... + 28125.

It is an arithmetic number, because the mean of its divisors is an integer number (22944000).

Almost surely, 2^344380434 is an apocalyptic number.

344380434 is an abundant number, since it is smaller than the sum of its proper divisors (389827566).

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

344380434 is a wasteful number, since it uses less digits than its factorization.

344380434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38342.

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 344380434 is about 18557.4899703597. The cubic root of 344380434 is about 700.9378137663.

The spelling of 344380434 in words is "three hundred forty-four million, three hundred eighty thousand, four hundred thirty-four".