8200445 has 8 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 5963920.

The previous prime is 8200441. The next prime is 8200447. The reversal of 8200445 is 5440028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8200445 - 2² = 8200441 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8200445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74495 + ... + 74604.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 2^8200445 is an apocalyptic number.

It is an amenable number.

8200445 is a deficient number, since it is larger than the sum of its proper divisors (2534755).

8200445 is a wasteful number, since it uses less digits than its factorization.

8200445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149115.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 8200445 is about 2863.6419119715. The cubic root of 8200445 is about 201.6566152432.

The spelling of 8200445 in words is "eight million, two hundred thousand, four hundred forty-five".