3531626 has 12 divisors (see below), whose sum is σ = 6162498. Its totient is φ = 1513512.

The previous prime is 3531623. The next prime is 3531659. The reversal of 3531626 is 6261353.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 90601 = 1855^2 + 301^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3531595 and 3531604.

It is not an unprimeable number, because it can be changed into a prime (3531623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17921 + ... + 18116.

Almost surely, 2^3531626 is an apocalyptic number.

3531626 is a deficient number, since it is larger than the sum of its proper divisors (2630872).

3531626 is a wasteful number, since it uses less digits than its factorization.

3531626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36053 (or 36046 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 3531626 is about 1879.2620892254. The cubic root of 3531626 is about 152.2853883476.

Adding to 3531626 its reverse (6261353), we get a palindrome (9792979).

The spelling of 3531626 in words is "three million, five hundred thirty-one thousand, six hundred twenty-six".