349215198 has 32 divisors (see below), whose sum is σ = 714544416. Its totient is φ = 113737728.

The previous prime is 349215197. The next prime is 349215199. The reversal of 349215198 is 891512943.

It is an interprime number because it is at equal distance from previous prime (349215197) and next prime (349215199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349215197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79590 + ... + 83862.

It is an arithmetic number, because the mean of its divisors is an integer number (22329513).

Almost surely, 2^349215198 is an apocalyptic number.

349215198 is an abundant number, since it is smaller than the sum of its proper divisors (365329218).

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

349215198 is a wasteful number, since it uses less digits than its factorization.

349215198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588.

The product of its digits is 77760, while the sum is 42.

The square root of 349215198 is about 18687.3004470951. The cubic root of 349215198 is about 704.2027424316.

The spelling of 349215198 in words is "three hundred forty-nine million, two hundred fifteen thousand, one hundred ninety-eight".