3531020 has 12 divisors (see below), whose sum is σ = 7415184. Its totient is φ = 1412400.

The previous prime is 3531013. The next prime is 3531037. The reversal of 3531020 is 201353.

It is a junction number, because it is equal to n+sod(n) for n = 3530986 and 3531004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88256 + ... + 88295.

It is an arithmetic number, because the mean of its divisors is an integer number (617932).

Almost surely, 2^3531020 is an apocalyptic number.

It is an amenable number.

3531020 is an abundant number, since it is smaller than the sum of its proper divisors (3884164).

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

3531020 is a wasteful number, since it uses less digits than its factorization.

3531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176560 (or 176558 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3531020 is about 1879.1008488104. The cubic root of 3531020 is about 152.2766775135.

Adding to 3531020 its reverse (201353), we get a palindrome (3732373).

The spelling of 3531020 in words is "three million, five hundred thirty-one thousand, twenty".