1918212 has 24 divisors (see below), whose sum is σ = 4739616. Its totient is φ = 601728.

The previous prime is 1918193. The next prime is 1918219. The reversal of 1918212 is 2128191.

It is not an unprimeable number, because it can be changed into a prime (1918219) 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, 4498 + ... + 4905.

It is an arithmetic number, because the mean of its divisors is an integer number (197484).

2^1918212 is an apocalyptic number.

1918212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1918212 is an abundant number, since it is smaller than the sum of its proper divisors (2821404).

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

1918212 is a wasteful number, since it uses less digits than its factorization.

1918212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427 (or 9425 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 1918212 is about 1384.9953068513. The cubic root of 1918212 is about 124.2507067853.

The spelling of 1918212 in words is "one million, nine hundred eighteen thousand, two hundred twelve".