349818198 has 64 divisors (see below), whose sum is σ = 743178240. Its totient is φ = 109620000.

The previous prime is 349818187. The next prime is 349818221. The reversal of 349818198 is 891818943.

It is a self number, because there is not a number n which added to its sum of digits gives 349818198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1393573 + ... + 1393823.

It is an arithmetic number, because the mean of its divisors is an integer number (11612160).

Almost surely, 2^349818198 is an apocalyptic number.

349818198 is an abundant number, since it is smaller than the sum of its proper divisors (393360042).

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

349818198 is a wasteful number, since it uses less digits than its factorization.

349818198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 497664, while the sum is 51.

The square root of 349818198 is about 18703.4274399106. The cubic root of 349818198 is about 704.6078317871.

The spelling of 349818198 in words is "three hundred forty-nine million, eight hundred eighteen thousand, one hundred ninety-eight".