3689001 has 6 divisors (see below), whose sum is σ = 5328570. Its totient is φ = 2459328.

The previous prime is 3688991. The next prime is 3689009. The reversal of 3689001 is 1009863.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 2601 = 1920^2 + 51^2 .

It is not a de Polignac number, because 3689001 - 2¹¹ = 3686953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3689009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204936 + ... + 204953.

It is an arithmetic number, because the mean of its divisors is an integer number (888095).

Almost surely, 2^3689001 is an apocalyptic number.

It is an amenable number.

3689001 is a deficient number, since it is larger than the sum of its proper divisors (1639569).

3689001 is a wasteful number, since it uses less digits than its factorization.

3689001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409895 (or 409892 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3689001 is about 1920.6772243144. The cubic root of 3689001 is about 154.5146245622.

The spelling of 3689001 in words is "three million, six hundred eighty-nine thousand, one".