344889620 has 12 divisors (see below), whose sum is σ = 724268244. Its totient is φ = 137955840.

The previous prime is 344889613. The next prime is 344889647. The reversal of 344889620 is 26988443.

It can be written as a sum of positive squares in 2 ways, for example, as 48636676 + 296252944 = 6974^2 + 17212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8622221 + ... + 8622260.

It is an arithmetic number, because the mean of its divisors is an integer number (60355687).

Almost surely, 2^344889620 is an apocalyptic number.

It is an amenable number.

344889620 is an abundant number, since it is smaller than the sum of its proper divisors (379378624).

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

344889620 is a wasteful number, since it uses less digits than its factorization.

344889620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17244490 (or 17244488 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 344889620 is about 18571.2040535879. The cubic root of 344889620 is about 701.2831024141.

The spelling of 344889620 in words is "three hundred forty-four million, eight hundred eighty-nine thousand, six hundred twenty".