349847244 has 72 divisors (see below), whose sum is σ = 901817280. Its totient is φ = 114331392.

The previous prime is 349847243. The next prime is 349847287. The reversal of 349847244 is 442748943.

It is a self number, because there is not a number n which added to its sum of digits gives 349847244.

It is not an unprimeable number, because it can be changed into a prime (349847243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 627814 + ... + 628370.

It is an arithmetic number, because the mean of its divisors is an integer number (12525240).

Almost surely, 2^349847244 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 349847244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450908640).

349847244 is an abundant number, since it is smaller than the sum of its proper divisors (551970036).

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

349847244 is a wasteful number, since it uses less digits than its factorization.

349847244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 349847244 is about 18704.2039124898. The cubic root of 349847244 is about 704.6273328430.

The spelling of 349847244 in words is "three hundred forty-nine million, eight hundred forty-seven thousand, two hundred forty-four".