1889212 has 24 divisors (see below), whose sum is σ = 3640896. Its totient is φ = 852288.

The previous prime is 1889201. The next prime is 1889213. The reversal of 1889212 is 2129881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889213) 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 7 ways as a sum of consecutive naturals, for example, 2058 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (151704).

2^1889212 is an apocalyptic number.

It is an amenable number.

1889212 is a deficient number, since it is larger than the sum of its proper divisors (1751684).

1889212 is a wasteful number, since it uses less digits than its factorization.

1889212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 835 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 1889212 is about 1374.4860857790. The cubic root of 1889212 is about 123.6213736807.

It can be divided in two parts, 188 and 9212, that multiplied together give a square (1731856 = 1316²).

The spelling of 1889212 in words is "one million, eight hundred eighty-nine thousand, two hundred twelve".