344200660 has 12 divisors (see below), whose sum is σ = 722821428. Its totient is φ = 137680256.

The previous prime is 344200651. The next prime is 344200663. The reversal of 344200660 is 66002443.

It can be written as a sum of positive squares in 2 ways, for example, as 216148804 + 128051856 = 14702^2 + 11316^2 .

It is a super-4 number, since 4×344200660⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344200663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8604997 + ... + 8605036.

It is an arithmetic number, because the mean of its divisors is an integer number (60235119).

Almost surely, 2^344200660 is an apocalyptic number.

It is an amenable number.

344200660 is an abundant number, since it is smaller than the sum of its proper divisors (378620768).

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

344200660 is a wasteful number, since it uses less digits than its factorization.

344200660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17210042 (or 17210040 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 344200660 is about 18552.6456334400. The cubic root of 344200660 is about 700.8158243275.

The spelling of 344200660 in words is "three hundred forty-four million, two hundred thousand, six hundred sixty".