344146420 has 12 divisors (see below), whose sum is σ = 722707524. Its totient is φ = 137658560.

The previous prime is 344146409. The next prime is 344146427. The reversal of 344146420 is 24641443.

It can be written as a sum of positive squares in 2 ways, for example, as 103958416 + 240188004 = 10196^2 + 15498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344146427) 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, 8603641 + ... + 8603680.

It is an arithmetic number, because the mean of its divisors is an integer number (60225627).

Almost surely, 2^344146420 is an apocalyptic number.

It is an amenable number.

344146420 is an abundant number, since it is smaller than the sum of its proper divisors (378561104).

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

344146420 is a wasteful number, since it uses less digits than its factorization.

344146420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17207330 (or 17207328 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 344146420 is about 18551.1837897208. The cubic root of 344146420 is about 700.7790102908.

Adding to 344146420 its reverse (24641443), we get a palindrome (368787863).

The spelling of 344146420 in words is "three hundred forty-four million, one hundred forty-six thousand, four hundred twenty".