3521612 has 12 divisors (see below), whose sum is σ = 6487320. Its totient is φ = 1668096.

The previous prime is 3521561. The next prime is 3521627. The reversal of 3521612 is 2161253.

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, 23093 + ... + 23244.

It is an arithmetic number, because the mean of its divisors is an integer number (540610).

Almost surely, 2^3521612 is an apocalyptic number.

It is an amenable number.

3521612 is a deficient number, since it is larger than the sum of its proper divisors (2965708).

3521612 is a wasteful number, since it uses less digits than its factorization.

3521612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46360 (or 46358 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 3521612 is about 1876.5958541998. The cubic root of 3521612 is about 152.1413159448.

Adding to 3521612 its reverse (2161253), we get a palindrome (5682865).

The spelling of 3521612 in words is "three million, five hundred twenty-one thousand, six hundred twelve".