344742430 has 32 divisors (see below), whose sum is σ = 643515840. Its totient is φ = 132814080.

The previous prime is 344742407. The next prime is 344742449. The reversal of 344742430 is 34247443.

It is a junction number, because it is equal to n+sod(n) for n = 344742392 and 344742401.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 140010 + ... + 142450.

It is an arithmetic number, because the mean of its divisors is an integer number (20109870).

Almost surely, 2^344742430 is an apocalyptic number.

344742430 is a deficient number, since it is larger than the sum of its proper divisors (298773410).

344742430 is a wasteful number, since it uses less digits than its factorization.

344742430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 344742430 is about 18567.2407750856. The cubic root of 344742430 is about 701.1833250347.

Adding to 344742430 its reverse (34247443), we get a palindrome (378989873).

The spelling of 344742430 in words is "three hundred forty-four million, seven hundred forty-two thousand, four hundred thirty".