2086187436 has 36 divisors (see below), whose sum is σ = 5583620952. Its totient is φ = 654489984.

The previous prime is 2086187407. The next prime is 2086187459. The reversal of 2086187436 is 6347816802.

2086187436 is a `hidden beast` number, since 20 + 8 + 618 + 7 + 4 + 3 + 6 = 666.

2086187436 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2086187391 and 2086187400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1703790 + ... + 1705013.

It is an arithmetic number, because the mean of its divisors is an integer number (155100582).

Almost surely, 2^2086187436 is an apocalyptic number.

It is an amenable number.

2086187436 is an abundant number, since it is smaller than the sum of its proper divisors (3497433516).

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

2086187436 is a wasteful number, since it uses less digits than its factorization.

2086187436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408830 (or 3408825 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2086187436 is about 45674.8008862655. The cubic root of 2086187436 is about 1277.7653547330.

The spelling of 2086187436 in words is "two billion, eighty-six million, one hundred eighty-seven thousand, four hundred thirty-six".