3785678 has 8 divisors (see below), whose sum is σ = 6115368. Its totient is φ = 1747224.

The previous prime is 3785669. The next prime is 3785681. The reversal of 3785678 is 8765873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72776 + ... + 72827.

It is an arithmetic number, because the mean of its divisors is an integer number (764421).

Almost surely, 2^3785678 is an apocalyptic number.

3785678 is a deficient number, since it is larger than the sum of its proper divisors (2329690).

3785678 is a wasteful number, since it uses less digits than its factorization.

3785678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145618.

The product of its digits is 282240, while the sum is 44.

The square root of 3785678 is about 1945.6818856123. The cubic root of 3785678 is about 155.8527813400.

The spelling of 3785678 in words is "three million, seven hundred eighty-five thousand, six hundred seventy-eight".