8899445 has 4 divisors (see below), whose sum is σ = 10679340. Its totient is φ = 7119552.

The previous prime is 8899441. The next prime is 8899447. The reversal of 8899445 is 5449988.

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 3301489 + 5597956 = 1817^2 + 2366^2 .

It is a cyclic number.

It is not a de Polignac number, because 8899445 - 2² = 8899441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8899445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8899441) 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, 889940 + ... + 889949.

It is an arithmetic number, because the mean of its divisors is an integer number (2669835).

Almost surely, 2^8899445 is an apocalyptic number.

It is an amenable number.

8899445 is a deficient number, since it is larger than the sum of its proper divisors (1779895).

8899445 is a wasteful number, since it uses less digits than its factorization.

8899445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779894.

The product of its digits is 414720, while the sum is 47.

The square root of 8899445 is about 2983.1937583737. The cubic root of 8899445 is about 207.2308020203.

The spelling of 8899445 in words is "eight million, eight hundred ninety-nine thousand, four hundred forty-five".