349123188 has 24 divisors (see below), whose sum is σ = 826096320. Its totient is φ = 114735040.

The previous prime is 349123183. The next prime is 349123217. The reversal of 349123188 is 881321943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349123183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204033 + ... + 205736.

It is an arithmetic number, because the mean of its divisors is an integer number (34420680).

Almost surely, 2^349123188 is an apocalyptic number.

It is an amenable number.

349123188 is an abundant number, since it is smaller than the sum of its proper divisors (476973132).

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

349123188 is a wasteful number, since it uses less digits than its factorization.

349123188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409847 (or 409845 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 349123188 is about 18684.8384526064. The cubic root of 349123188 is about 704.1408900399.

The spelling of 349123188 in words is "three hundred forty-nine million, one hundred twenty-three thousand, one hundred eighty-eight".