344521642 has 8 divisors (see below), whose sum is σ = 543981600. Its totient is φ = 163194444.

The previous prime is 344521613. The next prime is 344521649. The reversal of 344521642 is 246125443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (344521649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533142 + ... + 4533217.

It is an arithmetic number, because the mean of its divisors is an integer number (67997700).

Almost surely, 2^344521642 is an apocalyptic number.

344521642 is a deficient number, since it is larger than the sum of its proper divisors (199459958).

344521642 is a wasteful number, since it uses less digits than its factorization.

344521642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066380.

The product of its digits is 23040, while the sum is 31.

The square root of 344521642 is about 18561.2941897918. The cubic root of 344521642 is about 701.0336036660.

The spelling of 344521642 in words is "three hundred forty-four million, five hundred twenty-one thousand, six hundred forty-two".