445423086 has 48 divisors (see below), whose sum is σ = 1024639200. Its totient is φ = 139359744.

The previous prime is 445423079. The next prime is 445423087. The reversal of 445423086 is 680324544.

445423086 is a `hidden beast` number, since 4 + 4 + 542 + 30 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 445423086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445423087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123375 + ... + 126933.

It is an arithmetic number, because the mean of its divisors is an integer number (21346650).

Almost surely, 2^445423086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445423086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512319600).

445423086 is an abundant number, since it is smaller than the sum of its proper divisors (579216114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445423086 is a wasteful number, since it uses less digits than its factorization.

445423086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 445423086 is about 21105.0488272356. The cubic root of 445423086 is about 763.7025502079.

The spelling of 445423086 in words is "four hundred forty-five million, four hundred twenty-three thousand, eighty-six".