8361445 has 8 divisors (see below), whose sum is σ = 10305144. Its totient is φ = 6508224.

The previous prime is 8361403. The next prime is 8361449. The reversal of 8361445 is 5441638.

It is a happy number.

8361445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4464769 + 3896676 = 2113^2 + 1974^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8361445 is a prime.

It is a Duffinian number.

8361445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8361449) 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, 22414 + ... + 22783.

It is an arithmetic number, because the mean of its divisors is an integer number (1288143).

Almost surely, 2^8361445 is an apocalyptic number.

It is an amenable number.

8361445 is a deficient number, since it is larger than the sum of its proper divisors (1943699).

8361445 is a wasteful number, since it uses less digits than its factorization.

8361445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45239.

The product of its digits is 11520, while the sum is 31.

The square root of 8361445 is about 2891.6163300134. The cubic root of 8361445 is about 202.9677850956.

The spelling of 8361445 in words is "eight million, three hundred sixty-one thousand, four hundred forty-five".