212396 has 12 divisors (see below), whose sum is σ = 384720. Its totient is φ = 102480.

The previous prime is 212383. The next prime is 212411. The reversal of 212396 is 693212.

It is a super-2 number, since 2×212396² = 90224121632, which contains 22 as substring.

It is an unprimeable number.

212396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (32060).

2²¹²³⁹⁶ is an apocalyptic number.

It is an amenable number.

212396 is a deficient number, since it is larger than the sum of its proper divisors (172324).

212396 is a wasteful number, since it uses less digits than its factorization.

212396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 212396 is about 460.8644052213. The cubic root of 212396 is about 59.6644229292.

The spelling of 212396 in words is "two hundred twelve thousand, three hundred ninety-six".