349859180 has 96 divisors (see below), whose sum is σ = 847300608. Its totient is φ = 120153600.

The previous prime is 349859171. The next prime is 349859189. The reversal of 349859180 is 81958943.

It is an interprime number because it is at equal distance from previous prime (349859171) and next prime (349859189).

It is not an unprimeable number, because it can be changed into a prime (349859189) 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, 292664 + ... + 293856.

It is an arithmetic number, because the mean of its divisors is an integer number (8826048).

Almost surely, 2^349859180 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 349859180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423650304).

349859180 is an abundant number, since it is smaller than the sum of its proper divisors (497441428).

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

349859180 is a wasteful number, since it uses less digits than its factorization.

349859180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 349859180 is about 18704.5229824233. The cubic root of 349859180 is about 704.6353461844.

The spelling of 349859180 in words is "three hundred forty-nine million, eight hundred fifty-nine thousand, one hundred eighty".