3521412 has 36 divisors (see below), whose sum is σ = 9211020. Its totient is φ = 1132992.

The previous prime is 3521389. The next prime is 3521417. The reversal of 3521412 is 2141253.

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 617796 = 1704^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (3521417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643 + ... + 2730.

Almost surely, 2^3521412 is an apocalyptic number.

It is an amenable number.

3521412 is an abundant number, since it is smaller than the sum of its proper divisors (5689608).

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

3521412 is a wasteful number, since it uses less digits than its factorization.

3521412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3407 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 3521412 is about 1876.5425654645. The cubic root of 3521412 is about 152.1384357450.

Adding to 3521412 its reverse (2141253), we get a palindrome (5662665).

It can be divided in two parts, 352 and 1412, that added together give a square (1764 = 42²).

The spelling of 3521412 in words is "three million, five hundred twenty-one thousand, four hundred twelve".