348538728 has 32 divisors (see below), whose sum is σ = 872618400. Its totient is φ = 116010048.

The previous prime is 348538703. The next prime is 348538739. The reversal of 348538728 is 827835843.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6775 + ... + 27257.

It is an arithmetic number, because the mean of its divisors is an integer number (27269325).

Almost surely, 2^348538728 is an apocalyptic number.

It is an amenable number.

348538728 is an abundant number, since it is smaller than the sum of its proper divisors (524079672).

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

348538728 is a wasteful number, since it uses less digits than its factorization.

348538728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21201 (or 21197 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 348538728 is about 18669.1919482339. The cubic root of 348538728 is about 703.7477412755.

The spelling of 348538728 in words is "three hundred forty-eight million, five hundred thirty-eight thousand, seven hundred twenty-eight".