349552256 has 32 divisors (see below), whose sum is σ = 699924000. Its totient is φ = 173885184.

The previous prime is 349552243. The next prime is 349552297. The reversal of 349552256 is 652255943.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18611 + ... + 32333.

It is an arithmetic number, because the mean of its divisors is an integer number (21872625).

Almost surely, 2^349552256 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 349552256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349962000).

349552256 is an abundant number, since it is smaller than the sum of its proper divisors (350371744).

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

349552256 is a wasteful number, since it uses less digits than its factorization.

349552256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13924 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 349552256 is about 18696.3166425903. The cubic root of 349552256 is about 704.4292320437.

The spelling of 349552256 in words is "three hundred forty-nine million, five hundred fifty-two thousand, two hundred fifty-six".