344351216 has 80 divisors (see below), whose sum is σ = 764736768. Its totient is φ = 148684800.

The previous prime is 344351159. The next prime is 344351219. The reversal of 344351216 is 612153443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344351219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040171 + ... + 1040501.

Almost surely, 2^344351216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344351216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382368384).

344351216 is an abundant number, since it is smaller than the sum of its proper divisors (420385552).

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

344351216 is a wasteful number, since it uses less digits than its factorization.

344351216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 344351216 is about 18556.7027243527. The cubic root of 344351216 is about 700.9179901659.

The spelling of 344351216 in words is "three hundred forty-four million, three hundred fifty-one thousand, two hundred sixteen".