186000385 has 16 divisors (see below), whose sum is σ = 228614400. Its totient is φ = 145209856.

The previous prime is 186000361. The next prime is 186000389. The reversal of 186000385 is 583000681.

It is a cyclic number.

It is not a de Polignac number, because 186000385 - 2⁷ = 186000257 is a prime.

It is a super-2 number, since 2×186000385² = 69192286440296450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (186000389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97521 + ... + 99409.

It is an arithmetic number, because the mean of its divisors is an integer number (14288400).

Almost surely, 2^186000385 is an apocalyptic number.

It is an amenable number.

186000385 is a deficient number, since it is larger than the sum of its proper divisors (42614015).

186000385 is a wasteful number, since it uses less digits than its factorization.

186000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 186000385 is about 13638.1958117634. The cubic root of 186000385 is about 570.8271411882.

The spelling of 186000385 in words is "one hundred eighty-six million, three hundred eighty-five", and thus it is an aban number.