3531006 has 32 divisors (see below), whose sum is σ = 8190720. Its totient is φ = 1125432.

The previous prime is 3531001. The next prime is 3531007. The reversal of 3531006 is 6001353.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3531006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

Almost surely, 2^3531006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095360).

3531006 is an abundant number, since it is smaller than the sum of its proper divisors (4659714).

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

3531006 is a wasteful number, since it uses less digits than its factorization.

3531006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 3531006 is about 1879.0971236208. The cubic root of 3531006 is about 152.2764762613.

Adding to 3531006 its reverse (6001353), we get a palindrome (9532359).

The spelling of 3531006 in words is "three million, five hundred thirty-one thousand, six".