8217901 has 4 divisors (see below), whose sum is σ = 8224704. Its totient is φ = 8211100.

The previous prime is 8217893. The next prime is 8217929. The reversal of 8217901 is 1097128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8217901 - 2³ = 8217893 is a prime.

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 8217901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8217931) 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, 1045 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (2056176).

Almost surely, 2^8217901 is an apocalyptic number.

It is an amenable number.

8217901 is a deficient number, since it is larger than the sum of its proper divisors (6803).

8217901 is a wasteful number, since it uses less digits than its factorization.

8217901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8217901 is about 2866.6881588342. The cubic root of 8217901 is about 201.7996002930.

The spelling of 8217901 in words is "eight million, two hundred seventeen thousand, nine hundred one".