344039840 has 48 divisors (see below), whose sum is σ = 855580320. Its totient is φ = 130371840.

The previous prime is 344039833. The next prime is 344039851. The reversal of 344039840 is 48930443.

It is a self number, because there is not a number n which added to its sum of digits gives 344039840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53546 + ... + 59625.

It is an arithmetic number, because the mean of its divisors is an integer number (17824590).

Almost surely, 2^344039840 is an apocalyptic number.

It is an amenable number.

344039840 is an abundant number, since it is smaller than the sum of its proper divisors (511540480).

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

344039840 is a wasteful number, since it uses less digits than its factorization.

344039840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113205 (or 113197 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 344039840 is about 18548.3109743179. The cubic root of 344039840 is about 700.7066605252.

The spelling of 344039840 in words is "three hundred forty-four million, thirty-nine thousand, eight hundred forty".