344666442 has 16 divisors (see below), whose sum is σ = 690514272. Its totient is φ = 114691920.

The previous prime is 344666429. The next prime is 344666453. The reversal of 344666442 is 244666443.

344666442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 344666442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45409 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (43157142).

Almost surely, 2^344666442 is an apocalyptic number.

344666442 is an abundant number, since it is smaller than the sum of its proper divisors (345847830).

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

344666442 is a wasteful number, since it uses less digits than its factorization.

344666442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98453.

The product of its digits is 331776, while the sum is 39.

The square root of 344666442 is about 18565.1943701110. The cubic root of 344666442 is about 701.1318030585.

Subtracting from 344666442 its reverse (244666443), we obtain a palindrome (99999999).

The spelling of 344666442 in words is "three hundred forty-four million, six hundred sixty-six thousand, four hundred forty-two".