3685787 has 16 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 2905728.

The previous prime is 3685783. The next prime is 3685811. The reversal of 3685787 is 7875863.

It is not a de Polignac number, because 3685787 - 2² = 3685783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685783) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5264 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

Almost surely, 2^3685787 is an apocalyptic number.

3685787 is a deficient number, since it is larger than the sum of its proper divisors (876133).

3685787 is a wasteful number, since it uses less digits than its factorization.

3685787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

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

The square root of 3685787 is about 1919.8403579465. The cubic root of 3685787 is about 154.4697384900.

The spelling of 3685787 in words is "three million, six hundred eighty-five thousand, seven hundred eighty-seven".