349802118 has 64 divisors (see below), whose sum is σ = 810432000. Its totient is φ = 111700512.

The previous prime is 349802113. The next prime is 349802137. The reversal of 349802118 is 811208943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349802113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216871 + ... + 218477.

It is an arithmetic number, because the mean of its divisors is an integer number (12663000).

Almost surely, 2^349802118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349802118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405216000).

349802118 is an abundant number, since it is smaller than the sum of its proper divisors (460629882).

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

349802118 is a wasteful number, since it uses less digits than its factorization.

349802118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 349802118 is about 18702.9975672350. The cubic root of 349802118 is about 704.5970354481.

The spelling of 349802118 in words is "three hundred forty-nine million, eight hundred two thousand, one hundred eighteen".