1827850212 has 120 divisors (see below), whose sum is σ = 4895151800. Its totient is φ = 594584064.

The previous prime is 1827850207. The next prime is 1827850229. The reversal of 1827850212 is 2120587281.

1827850212 is a `hidden beast` number, since 1 + 82 + 78 + 502 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 183223296 + 1644626916 = 13536^2 + 40554^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2577714 + ... + 2578422.

Almost surely, 2^1827850212 is an apocalyptic number.

1827850212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1827850212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447575900).

1827850212 is an abundant number, since it is smaller than the sum of its proper divisors (3067301588).

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

1827850212 is a wasteful number, since it uses less digits than its factorization.

1827850212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1827850212 is about 42753.3649202025. The cubic root of 1827850212 is about 1222.6820444773.

The spelling of 1827850212 in words is "one billion, eight hundred twenty-seven million, eight hundred fifty thousand, two hundred twelve".