349729188 has 24 divisors (see below), whose sum is σ = 820756608. Its totient is φ = 115901856.

The previous prime is 349729157. The next prime is 349729199. The reversal of 349729188 is 881927943.

It is a self number, because there is not a number n which added to its sum of digits gives 349729188.

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, 82156 + ... + 86307.

It is an arithmetic number, because the mean of its divisors is an integer number (34198192).

Almost surely, 2^349729188 is an apocalyptic number.

It is an amenable number.

349729188 is an abundant number, since it is smaller than the sum of its proper divisors (471027420).

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

349729188 is a wasteful number, since it uses less digits than its factorization.

349729188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168643 (or 168641 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 349729188 is about 18701.0477781326. The cubic root of 349729188 is about 704.5480650629.

The spelling of 349729188 in words is "three hundred forty-nine million, seven hundred twenty-nine thousand, one hundred eighty-eight".