3504072 has 64 divisors (see below), whose sum is σ = 10301760. Its totient is φ = 979200.

The previous prime is 3504047. The next prime is 3504079. The reversal of 3504072 is 2704053.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3504079) 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 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (160965).

Almost surely, 2^3504072 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 3504072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5150880).

3504072 is an abundant number, since it is smaller than the sum of its proper divisors (6797688).

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

3504072 is a wasteful number, since it uses less digits than its factorization.

3504072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3504072 is about 1871.9166648118. The cubic root of 3504072 is about 151.8883066801. Note that the first 3 decimals are identical.

The spelling of 3504072 in words is "three million, five hundred four thousand, seventy-two".