211230998 has 16 divisors (see below), whose sum is σ = 349537680. Its totient is φ = 94934400.

The previous prime is 211230997. The next prime is 211231049. The reversal of 211230998 is 899032112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211230997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51983 + ... + 55898.

It is an arithmetic number, because the mean of its divisors is an integer number (21846105).

Almost surely, 2^211230998 is an apocalyptic number.

211230998 is a deficient number, since it is larger than the sum of its proper divisors (138306682).

211230998 is a wasteful number, since it uses less digits than its factorization.

211230998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107983.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 211230998 is about 14533.7881503757. The cubic root of 211230998 is about 595.5513548538.

The spelling of 211230998 in words is "two hundred eleven million, two hundred thirty thousand, nine hundred ninety-eight".