344384740 has 36 divisors (see below), whose sum is σ = 841285116. Its totient is φ = 118074432.

The previous prime is 344384717. The next prime is 344384749. The reversal of 344384740 is 47483443.

It can be written as a sum of positive squares in 2 ways, for example, as 79281216 + 265103524 = 8904^2 + 16282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 344384740.

It is not an unprimeable number, because it can be changed into a prime (344384749) 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 11 ways as a sum of consecutive naturals, for example, 174727 + ... + 176686.

It is an arithmetic number, because the mean of its divisors is an integer number (23369031).

Almost surely, 2^344384740 is an apocalyptic number.

It is an amenable number.

344384740 is an abundant number, since it is smaller than the sum of its proper divisors (496900376).

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

344384740 is a wasteful number, since it uses less digits than its factorization.

344384740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351436 (or 351427 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 344384740 is about 18557.6059878423. The cubic root of 344384740 is about 700.9407351727.

The spelling of 344384740 in words is "three hundred forty-four million, three hundred eighty-four thousand, seven hundred forty".