349517198 has 16 divisors (see below), whose sum is σ = 552698640. Its totient is φ = 165312000.

The previous prime is 349517171. The next prime is 349517209. The reversal of 349517198 is 891715943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20078 + ... + 33198.

It is an arithmetic number, because the mean of its divisors is an integer number (34543665).

Almost surely, 2^349517198 is an apocalyptic number.

349517198 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

349517198 is a deficient number, since it is larger than the sum of its proper divisors (203181442).

349517198 is a wasteful number, since it uses less digits than its factorization.

349517198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843.

The product of its digits is 272160, while the sum is 47.

The square root of 349517198 is about 18695.3790547290. The cubic root of 349517198 is about 704.4056812438.

The spelling of 349517198 in words is "three hundred forty-nine million, five hundred seventeen thousand, one hundred ninety-eight".