3530000 has 50 divisors (see below), whose sum is σ = 8570694. Its totient is φ = 1408000.

The previous prime is 3529997. The next prime is 3530011. The reversal of 3530000 is 353.

3530000 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 5 ways, for example, as 1547536 + 1982464 = 1244^2 + 1408^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 9824 + ... + 10176.

Almost surely, 2^3530000 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 3530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285347).

3530000 is an abundant number, since it is smaller than the sum of its proper divisors (5040694).

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

3530000 is an equidigital number, since it uses as much as digits as its factorization.

3530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 3530000 is about 1878.8294228056. The cubic root of 3530000 is about 152.2620134628.

Adding to 3530000 its reverse (353), we get a palindrome (3530353).

Multiplying 3530000 by its reverse (353), we get a square (1246090000 = 35300²).

3530000 divided by its reverse (353) gives a 4-th power (10000 = 10⁴).

The spelling of 3530000 in words is "three million, five hundred thirty thousand".