212463804 has 96 divisors (see below), whose sum is σ = 592704000. Its totient is φ = 59176320.

The previous prime is 212463749. The next prime is 212463809. The reversal of 212463804 is 408364212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212463809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168127 + ... + 169385.

It is an arithmetic number, because the mean of its divisors is an integer number (6174000).

Almost surely, 2^212463804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212463804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296352000).

212463804 is an abundant number, since it is smaller than the sum of its proper divisors (380240196).

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

212463804 is a wasteful number, since it uses less digits than its factorization.

212463804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 212463804 is about 14576.1381716832. The cubic root of 212463804 is about 596.7077122220.

The spelling of 212463804 in words is "two hundred twelve million, four hundred sixty-three thousand, eight hundred four".