8980521 has 16 divisors (see below), whose sum is σ = 13751040. Its totient is φ = 5155920.

The previous prime is 8980501. The next prime is 8980523. The reversal of 8980521 is 1250898.

It is a happy number.

It is not a de Polignac number, because 8980521 - 2¹⁰ = 8979497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8980523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6535 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (859440).

Almost surely, 2^8980521 is an apocalyptic number.

It is an amenable number.

8980521 is a deficient number, since it is larger than the sum of its proper divisors (4770519).

8980521 is a wasteful number, since it uses less digits than its factorization.

8980521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14356.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 8980521 is about 2996.7517414694. The cubic root of 8980521 is about 207.8582074184.

The spelling of 8980521 in words is "eight million, nine hundred eighty thousand, five hundred twenty-one".