3689817 has 4 divisors (see below), whose sum is σ = 4919760. Its totient is φ = 2459876.

The previous prime is 3689809. The next prime is 3689843. The reversal of 3689817 is 7189863.

3689817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3689817 - 2³ = 3689809 is a prime.

It is a super-2 number, since 2×3689817² = 27229498986978, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3689887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614967 + ... + 614972.

It is an arithmetic number, because the mean of its divisors is an integer number (1229940).

Almost surely, 2^3689817 is an apocalyptic number.

It is an amenable number.

3689817 is a deficient number, since it is larger than the sum of its proper divisors (1229943).

3689817 is a wasteful number, since it uses less digits than its factorization.

3689817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229942.

The product of its digits is 72576, while the sum is 42.

The square root of 3689817 is about 1920.8896376419. The cubic root of 3689817 is about 154.5260165025.

The spelling of 3689817 in words is "three million, six hundred eighty-nine thousand, eight hundred seventeen".