212853788 has 24 divisors (see below), whose sum is σ = 434767872. Its totient is φ = 89281584.

The previous prime is 212853779. The next prime is 212853803. The reversal of 212853788 is 887358212.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79556 + ... + 82187.

It is an arithmetic number, because the mean of its divisors is an integer number (18115328).

Almost surely, 2^212853788 is an apocalyptic number.

212853788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212853788 is an abundant number, since it is smaller than the sum of its proper divisors (221914084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212853788 is a wasteful number, since it uses less digits than its factorization.

212853788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161801 (or 161799 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 212853788 is about 14589.5095188289. The cubic root of 212853788 is about 597.0725809998.

The spelling of 212853788 in words is "two hundred twelve million, eight hundred fifty-three thousand, seven hundred eighty-eight".