4979521 has 8 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 4669248.

The previous prime is 4979519. The next prime is 4979531. The reversal of 4979521 is 1259794.

4979521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4979521 - 2¹ = 4979519 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 9 + 7⁶ + 9⁷ + 5⁷ + 2⁹ + 1 .

It is a Duffinian number.

4979521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4979531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^4979521 is an apocalyptic number.

It is an amenable number.

4979521 is a deficient number, since it is larger than the sum of its proper divisors (312479).

4979521 is a wasteful number, since it uses less digits than its factorization.

4979521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its digits is 22680, while the sum is 37.

The square root of 4979521 is about 2231.4840353451. The cubic root of 4979521 is about 170.7638178929.

The spelling of 4979521 in words is "four million, nine hundred seventy-nine thousand, five hundred twenty-one".