445984923 has 8 divisors (see below), whose sum is σ = 595141648. Its totient is φ = 297075744.

The previous prime is 445984909. The next prime is 445984933. The reversal of 445984923 is 329489544.

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

It is not a de Polignac number, because 445984923 - 2⁴ = 445984907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445984933) 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, 57640 + ... + 64917.

It is an arithmetic number, because the mean of its divisors is an integer number (74392706).

Almost surely, 2^445984923 is an apocalyptic number.

445984923 is a deficient number, since it is larger than the sum of its proper divisors (149156725).

445984923 is a wasteful number, since it uses less digits than its factorization.

445984923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123773.

The product of its digits is 1244160, while the sum is 48.

The square root of 445984923 is about 21118.3551206054. The cubic root of 445984923 is about 764.0235155130.

The spelling of 445984923 in words is "four hundred forty-five million, nine hundred eighty-four thousand, nine hundred twenty-three".