3520485 has 12 divisors (see below), whose sum is σ = 6102252. Its totient is φ = 1877568.

The previous prime is 3520483. The next prime is 3520487. The reversal of 3520485 is 5840253.

It is an interprime number because it is at equal distance from previous prime (3520483) and next prime (3520487).

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 3048516 = 687^2 + 1746^2 .

It is not a de Polignac number, because 3520485 - 2¹ = 3520483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520481) 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, 39072 + ... + 39161.

It is an arithmetic number, because the mean of its divisors is an integer number (508521).

Almost surely, 2^3520485 is an apocalyptic number.

It is an amenable number.

3520485 is a deficient number, since it is larger than the sum of its proper divisors (2581767).

3520485 is a wasteful number, since it uses less digits than its factorization.

3520485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78244 (or 78241 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3520485 is about 1876.2955524117. The cubic root of 3520485 is about 152.1250845942.

It can be divided in two parts, 3520 and 485, that added together give a triangular number (4005 = T₈₉).

The spelling of 3520485 in words is "three million, five hundred twenty thousand, four hundred eighty-five".