212806846 has 16 divisors (see below), whose sum is σ = 364999680. Its totient is φ = 91155960.

The previous prime is 212806837. The next prime is 212806849. The reversal of 212806846 is 648608212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212806849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47691 + ... + 51961.

It is an arithmetic number, because the mean of its divisors is an integer number (22812480).

Almost surely, 2^212806846 is an apocalyptic number.

212806846 is a deficient number, since it is larger than the sum of its proper divisors (152192834).

212806846 is a wasteful number, since it uses less digits than its factorization.

212806846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 212806846 is about 14587.9006714469. The cubic root of 212806846 is about 597.0286857012.

The spelling of 212806846 in words is "two hundred twelve million, eight hundred six thousand, eight hundred forty-six".