4474521 has 20 divisors (see below), whose sum is σ = 6869412. Its totient is φ = 2900448.

The previous prime is 4474517. The next prime is 4474523. The reversal of 4474521 is 1254744.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 518400 = 1989^2 + 720^2 .

It is not a de Polignac number, because 4474521 - 2² = 4474517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4474523) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2251 + ... + 3743.

Almost surely, 2^4474521 is an apocalyptic number.

It is an amenable number.

4474521 is a deficient number, since it is larger than the sum of its proper divisors (2394891).

4474521 is a wasteful number, since it uses less digits than its factorization.

4474521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1533 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4474521 is about 2115.3063607903. The cubic root of 4474521 is about 164.7841806421.

The spelling of 4474521 in words is "four million, four hundred seventy-four thousand, five hundred twenty-one".