1945212 has 24 divisors (see below), whose sum is σ = 4569936. Its totient is φ = 643968.

The previous prime is 1945199. The next prime is 1945243. The reversal of 1945212 is 2125491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (190414).

2^1945212 is an apocalyptic number.

1945212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1945212 is an abundant number, since it is smaller than the sum of its proper divisors (2624724).

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

1945212 is a wasteful number, since it uses less digits than its factorization.

1945212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1945212 is about 1394.7085717095. The cubic root of 1945212 is about 124.8309608425.

The spelling of 1945212 in words is "one million, nine hundred forty-five thousand, two hundred twelve".