349826568 has 128 divisors (see below), whose sum is σ = 1111326720. Its totient is φ = 89268480.

The previous prime is 349826551. The next prime is 349826569. The reversal of 349826568 is 865628943.

It is a self number, because there is not a number n which added to its sum of digits gives 349826568.

It is not an unprimeable number, because it can be changed into a prime (349826569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65121 + ... + 70287.

It is an arithmetic number, because the mean of its divisors is an integer number (8682240).

Almost surely, 2^349826568 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 349826568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555663360).

349826568 is an abundant number, since it is smaller than the sum of its proper divisors (761500152).

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

349826568 is a wasteful number, since it uses less digits than its factorization.

349826568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5223 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 349826568 is about 18703.6511943524. The cubic root of 349826568 is about 704.6134513923.

The spelling of 349826568 in words is "three hundred forty-nine million, eight hundred twenty-six thousand, five hundred sixty-eight".