349930266 has 48 divisors (see below), whose sum is σ = 816986016. Its totient is φ = 99628704.

The previous prime is 349930253. The next prime is 349930271. The reversal of 349930266 is 662039943.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88320 + ... + 92196.

It is an arithmetic number, because the mean of its divisors is an integer number (17020542).

Almost surely, 2^349930266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349930266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408493008).

349930266 is an abundant number, since it is smaller than the sum of its proper divisors (467055750).

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

349930266 is a wasteful number, since it uses less digits than its factorization.

349930266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4196 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 349930266 is about 18706.4231214842. The cubic root of 349930266 is about 704.6830666378.

The spelling of 349930266 in words is "three hundred forty-nine million, nine hundred thirty thousand, two hundred sixty-six".