3685718 has 8 divisors (see below), whose sum is σ = 5678112. Its totient is φ = 1793016.

The previous prime is 3685699. The next prime is 3685729. The reversal of 3685718 is 8175863.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24830 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (709764).

Almost surely, 2^3685718 is an apocalyptic number.

3685718 is a deficient number, since it is larger than the sum of its proper divisors (1992394).

3685718 is a wasteful number, since it uses less digits than its factorization.

3685718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846.

The product of its digits is 40320, while the sum is 38.

The square root of 3685718 is about 1919.8223876182. The cubic root of 3685718 is about 154.4687745639.

The spelling of 3685718 in words is "three million, six hundred eighty-five thousand, seven hundred eighteen".