211996 has 6 divisors (see below), whose sum is σ = 371000. Its totient is φ = 105996.

The previous prime is 211979. The next prime is 211997. The reversal of 211996 is 699112.

211996 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26496 + ... + 26503.

2²¹¹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

211996 is a deficient number, since it is larger than the sum of its proper divisors (159004).

211996 is a wasteful number, since it uses less digits than its factorization.

211996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53003 (or 53001 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 211996 is about 460.4302335859. The cubic root of 211996 is about 59.6269445605.

The spelling of 211996 in words is "two hundred eleven thousand, nine hundred ninety-six".