1886706036 has 72 divisors (see below), whose sum is σ = 5075670600. Its totient is φ = 588865536.

The previous prime is 1886706011. The next prime is 1886706067. The reversal of 1886706036 is 6306076881.

It can be written as a sum of positive squares in 4 ways, for example, as 745617636 + 1141088400 = 27306^2 + 33780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1886705982 and 1886706000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112740 + ... + 128388.

It is an arithmetic number, because the mean of its divisors is an integer number (70495425).

Almost surely, 2^1886706036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1886706036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537835300).

1886706036 is an abundant number, since it is smaller than the sum of its proper divisors (3188964564).

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

1886706036 is a wasteful number, since it uses less digits than its factorization.

1886706036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873 (or 15868 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1886706036 is about 43436.2295324997. The cubic root of 1886706036 is about 1235.6668989579. Note that the first 3 decimals are identical.

The spelling of 1886706036 in words is "one billion, eight hundred eighty-six million, seven hundred six thousand, thirty-six".