3785697 has 18 divisors (see below), whose sum is σ = 5688098. Its totient is φ = 2519424.

The previous prime is 3785687. The next prime is 3785753. The reversal of 3785697 is 7965873.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 6561 = 1944^2 + 81^2 .

It is not a de Polignac number, because 3785697 - 2⁴ = 3785681 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 7³ + 8⁵ + 5⁹ + 6⁸ + 9 + 7⁶ .

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (3785687) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6273 + ... + 6849.

Almost surely, 2^3785697 is an apocalyptic number.

It is an amenable number.

3785697 is a deficient number, since it is larger than the sum of its proper divisors (1902401).

3785697 is an frugal number, since it uses more digits than its factorization.

3785697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 580 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3785697 is about 1945.6867682132. The cubic root of 3785697 is about 155.8530420769.

The spelling of 3785697 in words is "three million, seven hundred eighty-five thousand, six hundred ninety-seven".