3689000 has 128 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 1152000.

The previous prime is 3688991. The next prime is 3689009. The reversal of 3689000 is 9863.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3688991) and next prime (3689009).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 118985 + ... + 119015.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

Almost surely, 2^3689000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

3689000 is an abundant number, since it is smaller than the sum of its proper divisors (7093720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3689000 is a wasteful number, since it uses less digits than its factorization.

3689000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3689000 is about 1920.6769639895. The cubic root of 3689000 is about 154.5146106004.

The spelling of 3689000 in words is "three million, six hundred eighty-nine thousand".