344421764 has 12 divisors (see below), whose sum is σ = 602886144. Its totient is φ = 172168584.

The previous prime is 344421761. The next prime is 344421773. The reversal of 344421764 is 467124443.

It is not an unprimeable number, because it can be changed into a prime (344421761) 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 3 ways as a sum of consecutive naturals, for example, 14189 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (50240512).

Almost surely, 2^344421764 is an apocalyptic number.

It is an amenable number.

344421764 is a deficient number, since it is larger than the sum of its proper divisors (258464380).

344421764 is a wasteful number, since it uses less digits than its factorization.

344421764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154 (or 21152 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 344421764 is about 18558.6035034967. The cubic root of 344421764 is about 700.9658531070.

The spelling of 344421764 in words is "three hundred forty-four million, four hundred twenty-one thousand, seven hundred sixty-four".