3688695 has 12 divisors (see below), whose sum is σ = 6393816. Its totient is φ = 1967280.

The previous prime is 3688693. The next prime is 3688697. The reversal of 3688695 is 5968863.

It is an interprime number because it is at equal distance from previous prime (3688693) and next prime (3688697).

It is not a de Polignac number, because 3688695 - 2¹ = 3688693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 81971 = 3688695 / (3 + 6 + 8 + 8 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3688695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40941 + ... + 41030.

It is an arithmetic number, because the mean of its divisors is an integer number (532818).

Almost surely, 2^3688695 is an apocalyptic number.

3688695 is a deficient number, since it is larger than the sum of its proper divisors (2705121).

3688695 is a wasteful number, since it uses less digits than its factorization.

3688695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81982 (or 81979 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3688695 is about 1920.5975632599. The cubic root of 3688695 is about 154.5103521514.

The spelling of 3688695 in words is "three million, six hundred eighty-eight thousand, six hundred ninety-five".