3521104 has 30 divisors (see below), whose sum is σ = 7080090. Its totient is φ = 1696320.

The previous prime is 3521101. The next prime is 3521113. The reversal of 3521104 is 4011253.

3521104 = 142² + 143² + ... + 237².

3521104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3459600 + 61504 = 1860^2 + 248^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15262 + ... + 15490.

It is an arithmetic number, because the mean of its divisors is an integer number (236003).

Almost surely, 2^3521104 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 3521104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3540045).

3521104 is an abundant number, since it is smaller than the sum of its proper divisors (3558986).

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

3521104 is a wasteful number, since it uses less digits than its factorization.

3521104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3521104 is about 1876.4604978523. The cubic root of 3521104 is about 152.1340000239.

Adding to 3521104 its reverse (4011253), we get a palindrome (7532357).

The spelling of 3521104 in words is "three million, five hundred twenty-one thousand, one hundred four".