1984212 has 18 divisors (see below), whose sum is σ = 5015738. Its totient is φ = 661392.

The previous prime is 1984211. The next prime is 1984247. The reversal of 1984212 is 2124891.

1984212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 12996 = 1404^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984211) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 27523 + ... + 27594.

2^1984212 is an apocalyptic number.

1984212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1984212 is an abundant number, since it is smaller than the sum of its proper divisors (3031526).

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

1984212 is a wasteful number, since it uses less digits than its factorization.

1984212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55127 (or 55122 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1984212 is about 1408.6206018655. The cubic root of 1984212 is about 125.6597015592.

The spelling of 1984212 in words is "one million, nine hundred eighty-four thousand, two hundred twelve".