1045986186 has 16 divisors (see below), whose sum is σ = 2390825664. Its totient is φ = 298853184.

The previous prime is 1045986173. The next prime is 1045986187. The reversal of 1045986186 is 6816895401.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045986187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12452175 + ... + 12452258.

It is an arithmetic number, because the mean of its divisors is an integer number (149426604).

Almost surely, 2^1045986186 is an apocalyptic number.

1045986186 is an abundant number, since it is smaller than the sum of its proper divisors (1344839478).

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

1045986186 is a wasteful number, since it uses less digits than its factorization.

1045986186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24904445.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1045986186 is about 32341.7096950671. The cubic root of 1045986186 is about 1015.0995836838.

The spelling of 1045986186 in words is "one billion, forty-five million, nine hundred eighty-six thousand, one hundred eighty-six".