186873412 has 24 divisors (see below), whose sum is σ = 358585920. Its totient is φ = 84507360.

The previous prime is 186873409. The next prime is 186873433. The reversal of 186873412 is 214378681.

It is a super-2 number, since 2×186873412² = 69843344225043488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112 + ... + 19447.

It is an arithmetic number, because the mean of its divisors is an integer number (14941080).

Almost surely, 2^186873412 is an apocalyptic number.

It is an amenable number.

186873412 is a deficient number, since it is larger than the sum of its proper divisors (171712508).

186873412 is a wasteful number, since it uses less digits than its factorization.

186873412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771 (or 21769 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 186873412 is about 13670.1650319226. The cubic root of 186873412 is about 571.7188415614.

The spelling of 186873412 in words is "one hundred eighty-six million, eight hundred seventy-three thousand, four hundred twelve".