211349198 has 8 divisors (see below), whose sum is σ = 333709320. Its totient is φ = 100112760.

The previous prime is 211349197. The next prime is 211349233. The reversal of 211349198 is 891943112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 5561821 = 211349198 / (2 + 1 + 1 + 3 + 4 + 9 + 1 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211349191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780873 + ... + 2780948.

It is an arithmetic number, because the mean of its divisors is an integer number (41713665).

Almost surely, 2^211349198 is an apocalyptic number.

211349198 is a deficient number, since it is larger than the sum of its proper divisors (122360122).

211349198 is a wasteful number, since it uses less digits than its factorization.

211349198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561842.

The product of its digits is 15552, while the sum is 38.

The square root of 211349198 is about 14537.8539681756. The cubic root of 211349198 is about 595.6624197458.

The spelling of 211349198 in words is "two hundred eleven million, three hundred forty-nine thousand, one hundred ninety-eight".