344913620 has 12 divisors (see below), whose sum is σ = 724318644. Its totient is φ = 137965440.

The previous prime is 344913601. The next prime is 344913623. The reversal of 344913620 is 26319443.

It can be written as a sum of positive squares in 2 ways, for example, as 248755984 + 96157636 = 15772^2 + 9806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344913623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8622821 + ... + 8622860.

It is an arithmetic number, because the mean of its divisors is an integer number (60359887).

Almost surely, 2^344913620 is an apocalyptic number.

It is an amenable number.

344913620 is an abundant number, since it is smaller than the sum of its proper divisors (379405024).

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

344913620 is a wasteful number, since it uses less digits than its factorization.

344913620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245690 (or 17245688 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 344913620 is about 18571.8502040050. The cubic root of 344913620 is about 701.2993688784.

The spelling of 344913620 in words is "three hundred forty-four million, nine hundred thirteen thousand, six hundred twenty".