8820901 has 4 divisors (see below), whose sum is σ = 9125100. Its totient is φ = 8516704.

The previous prime is 8820887. The next prime is 8820907. The reversal of 8820901 is 1090288.

It is a Cunningham number, because it is equal to 2970²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4622500 + 4198401 = 2150^2 + 2049^2 .

It is a cyclic number.

It is not a de Polignac number, because 8820901 - 2⁵ = 8820869 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 8820901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820907) 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, 152056 + ... + 152113.

It is an arithmetic number, because the mean of its divisors is an integer number (2281275).

Almost surely, 2^8820901 is an apocalyptic number.

It is an amenable number.

8820901 is a deficient number, since it is larger than the sum of its proper divisors (304199).

8820901 is a wasteful number, since it uses less digits than its factorization.

8820901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304198.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 8820901 is about 2970.0001683502. Note that the first 3 decimals coincide. The cubic root of 8820901 is about 206.6193460278.

The spelling of 8820901 in words is "eight million, eight hundred twenty thousand, nine hundred one".