3531136 has 48 divisors (see below), whose sum is σ = 8197740. Its totient is φ = 1510656.

The previous prime is 3531119. The next prime is 3531139. The reversal of 3531136 is 6311353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531139) 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, 5991 + ... + 6553.

Almost surely, 2^3531136 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 3531136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4098870).

3531136 is an abundant number, since it is smaller than the sum of its proper divisors (4666604).

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

3531136 is an equidigital number, since it uses as much as digits as its factorization.

3531136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 572 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 3531136 is about 1879.1317143830. The cubic root of 3531136 is about 152.2783450110.

Adding to 3531136 its reverse (6311353), we get a palindrome (9842489).

The spelling of 3531136 in words is "three million, five hundred thirty-one thousand, one hundred thirty-six".