1648212 has 24 divisors (see below), whose sum is σ = 4048800. Its totient is φ = 520416.

The previous prime is 1648187. The next prime is 1648217. The reversal of 1648212 is 2128461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387 + ... + 3842.

It is an arithmetic number, because the mean of its divisors is an integer number (168700).

2^1648212 is an apocalyptic number.

1648212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1648212 is an abundant number, since it is smaller than the sum of its proper divisors (2400588).

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

1648212 is a wasteful number, since it uses less digits than its factorization.

1648212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255 (or 7253 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1648212 is about 1283.8270911614. The cubic root of 1648212 is about 118.1238764205.

Subtracting 1648212 from its reverse (2128461), we obtain a square (480249 = 693²).

The spelling of 1648212 in words is "one million, six hundred forty-eight thousand, two hundred twelve".