3485521 has 8 divisors (see below), whose sum is σ = 3775464. Its totient is φ = 3198720.

The previous prime is 3485513. The next prime is 3485549. The reversal of 3485521 is 1255843.

It can be written as a sum of positive squares in 4 ways, for example, as 384400 + 3101121 = 620^2 + 1761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3485521 - 2³ = 3485513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3485521.

It is not an unprimeable number, because it can be changed into a prime (3485921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (471933).

Almost surely, 2^3485521 is an apocalyptic number.

It is an amenable number.

3485521 is a deficient number, since it is larger than the sum of its proper divisors (289943).

3485521 is a wasteful number, since it uses less digits than its factorization.

3485521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its digits is 4800, while the sum is 28.

The square root of 3485521 is about 1866.9550074921. The cubic root of 3485521 is about 151.6197936436.

The spelling of 3485521 in words is "three million, four hundred eighty-five thousand, five hundred twenty-one".