344920660 has 48 divisors (see below), whose sum is σ = 850195584. Its totient is φ = 115060608.

The previous prime is 344920643. The next prime is 344920703. The reversal of 344920660 is 66029443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28114 + ... + 38473.

It is an arithmetic number, because the mean of its divisors is an integer number (17712408).

Almost surely, 2^344920660 is an apocalyptic number.

It is an amenable number.

344920660 is an abundant number, since it is smaller than the sum of its proper divisors (505274924).

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

344920660 is a wasteful number, since it uses less digits than its factorization.

344920660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66640 (or 66638 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 344920660 is about 18572.0397371963. The cubic root of 344920660 is about 701.3041402315.

The spelling of 344920660 in words is "three hundred forty-four million, nine hundred twenty thousand, six hundred sixty".