211498849 has 3 divisors (see below), whose sum is σ = 211513393. Its totient is φ = 211484306.

The previous prime is 211498843. The next prime is 211498867. The reversal of 211498849 is 948894112.

The square root of 211498849 is 14543.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 211498849 - 2⁵ = 211498817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211498799 and 211498808.

It is not an unprimeable number, because it can be changed into a prime (211498843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7272 + ... + 21814.

Almost surely, 2^211498849 is an apocalyptic number.

211498849 is the 14543-rd square number.

211498849 is the 7272-nd centered octagonal number.

It is an amenable number.

211498849 is a deficient number, since it is larger than the sum of its proper divisors (14544).

211498849 is an frugal number, since it uses more digits than its factorization.

211498849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29086 (or 14543 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The cubic root of 211498849 is about 595.8029777201.

The spelling of 211498849 in words is "two hundred eleven million, four hundred ninety-eight thousand, eight hundred forty-nine".