3476521 has 4 divisors (see below), whose sum is σ = 3511044. Its totient is φ = 3442000.

The previous prime is 3476503. The next prime is 3476569. The reversal of 3476521 is 1256743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 105625 = 1836^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 3476521 - 2⁵ = 3476489 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 3476521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3476581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17110 + ... + 17311.

It is an arithmetic number, because the mean of its divisors is an integer number (877761).

Almost surely, 2^3476521 is an apocalyptic number.

It is an amenable number.

3476521 is a deficient number, since it is larger than the sum of its proper divisors (34523).

3476521 is a wasteful number, since it uses less digits than its factorization.

3476521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34522.

The product of its digits is 5040, while the sum is 28.

The square root of 3476521 is about 1864.5431075735. The cubic root of 3476521 is about 151.4891814790.

The spelling of 3476521 in words is "three million, four hundred seventy-six thousand, five hundred twenty-one".