212703384 has 16 divisors (see below), whose sum is σ = 531758520. Its totient is φ = 70901120.

The previous prime is 212703377. The next prime is 212703389. The reversal of 212703384 is 483307212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212703389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4431297 + ... + 4431344.

Almost surely, 2^212703384 is an apocalyptic number.

212703384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212703384 is an abundant number, since it is smaller than the sum of its proper divisors (319055136).

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

212703384 is a wasteful number, since it uses less digits than its factorization.

212703384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862650 (or 8862646 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 212703384 is about 14584.3540823720. The cubic root of 212703384 is about 596.9319159526.

The spelling of 212703384 in words is "two hundred twelve million, seven hundred three thousand, three hundred eighty-four".