344430660 has 48 divisors (see below), whose sum is σ = 1102179456. Its totient is φ = 78726912.

The previous prime is 344430649. The next prime is 344430673. The reversal of 344430660 is 66034443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 409617 + ... + 410456.

It is an arithmetic number, because the mean of its divisors is an integer number (22962072).

Almost surely, 2^344430660 is an apocalyptic number.

344430660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344430660 is an abundant number, since it is smaller than the sum of its proper divisors (757748796).

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

344430660 is a wasteful number, since it uses less digits than its factorization.

344430660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820092 (or 820090 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 344430660 is about 18558.8431751551. The cubic root of 344430660 is about 700.9718880901.

The spelling of 344430660 in words is "three hundred forty-four million, four hundred thirty thousand, six hundred sixty".