349300188 has 120 divisors (see below), whose sum is σ = 956229120. Its totient is φ = 111054240.

The previous prime is 349300187. The next prime is 349300229. The reversal of 349300188 is 881003943.

349300188 is a `hidden beast` number, since 349 + 300 + 1 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349300187) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 833443 + ... + 833861.

It is an arithmetic number, because the mean of its divisors is an integer number (7968576).

Almost surely, 2^349300188 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 349300188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478114560).

349300188 is an abundant number, since it is smaller than the sum of its proper divisors (606928932).

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

349300188 is a wasteful number, since it uses less digits than its factorization.

349300188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 349300188 is about 18689.5743129692. The cubic root of 349300188 is about 704.2598660780.

The spelling of 349300188 in words is "three hundred forty-nine million, three hundred thousand, one hundred eighty-eight".