344890340 has 24 divisors (see below), whose sum is σ = 736145592. Its totient is φ = 135694080.

The previous prime is 344890333. The next prime is 344890349. The reversal of 344890340 is 43098443.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 344770624 = 346^2 + 18568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 344890340.

It is not an unprimeable number, because it can be changed into a prime (344890349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140129 + ... + 142568.

It is an arithmetic number, because the mean of its divisors is an integer number (30672733).

Almost surely, 2^344890340 is an apocalyptic number.

It is an amenable number.

344890340 is an abundant number, since it is smaller than the sum of its proper divisors (391255252).

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

344890340 is a wasteful number, since it uses less digits than its factorization.

344890340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282767 (or 282765 counting only the distinct ones).

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

The square root of 344890340 is about 18571.2234384275. The cubic root of 344890340 is about 701.2835904190.

The spelling of 344890340 in words is "three hundred forty-four million, eight hundred ninety thousand, three hundred forty".