344639922 has 16 divisors (see below), whose sum is σ = 751941792. Its totient is φ = 104436320.

The previous prime is 344639921. The next prime is 344639959. The reversal of 344639922 is 229936443.

It is not an unprimeable number, because it can be changed into a prime (344639921) by changing a digit.

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, 2610843 + ... + 2610974.

It is an arithmetic number, because the mean of its divisors is an integer number (46996362).

Almost surely, 2^344639922 is an apocalyptic number.

344639922 is an abundant number, since it is smaller than the sum of its proper divisors (407301870).

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

344639922 is a wasteful number, since it uses less digits than its factorization.

344639922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221833.

The product of its digits is 279936, while the sum is 42.

The square root of 344639922 is about 18564.4801166098. The cubic root of 344639922 is about 701.1138199788.

The spelling of 344639922 in words is "three hundred forty-four million, six hundred thirty-nine thousand, nine hundred twenty-two".