211396 has 12 divisors (see below), whose sum is σ = 379260. Its totient is φ = 103040.

The previous prime is 211373. The next prime is 211403. The reversal of 211396 is 693112.

211396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 129600 = 286^2 + 360^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (31605).

2²¹¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

211396 is a deficient number, since it is larger than the sum of its proper divisors (167864).

211396 is a wasteful number, since it uses less digits than its factorization.

211396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1332 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

The square root of 211396 is about 459.7782074000. The cubic root of 211396 is about 59.5706385112.

It can be divided in two parts, 2113 and 96, that added together give a square (2209 = 47²).

The spelling of 211396 in words is "two hundred eleven thousand, three hundred ninety-six".