8820417 has 16 divisors (see below), whose sum is σ = 12068672. Its totient is φ = 5728320.

The previous prime is 8820397. The next prime is 8820421. The reversal of 8820417 is 7140288.

It is not a de Polignac number, because 8820417 - 2¹⁸ = 8558273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8827417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28578 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (754292).

Almost surely, 2^8820417 is an apocalyptic number.

It is an amenable number.

8820417 is a deficient number, since it is larger than the sum of its proper divisors (3248255).

8820417 is a wasteful number, since it uses less digits than its factorization.

8820417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8820417 is about 2969.9186857556. The cubic root of 8820417 is about 206.6155669130.

The spelling of 8820417 in words is "eight million, eight hundred twenty thousand, four hundred seventeen".