3647106 has 40 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 1187352.

The previous prime is 3647101. The next prime is 3647167. The reversal of 3647106 is 6017463.

3647106 is a `hidden beast` number, since 3 + 647 + 10 + 6 = 666.

3647106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3647106.

It is not an unprimeable number, because it can be changed into a prime (3647101) 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 19 ways as a sum of consecutive naturals, for example, 7375 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

Almost surely, 2^3647106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3647106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181760).

3647106 is an abundant number, since it is smaller than the sum of its proper divisors (4716414).

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

3647106 is a wasteful number, since it uses less digits than its factorization.

3647106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3647106 is about 1909.7397728486. The cubic root of 3647106 is about 153.9274690774.

The spelling of 3647106 in words is "three million, six hundred forty-seven thousand, one hundred six".