445979746 has 8 divisors (see below), whose sum is σ = 684527184. Its totient is φ = 217804020.

The previous prime is 445979731. The next prime is 445979747. The reversal of 445979746 is 647979544.

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

It is not an unprimeable number, because it can be changed into a prime (445979747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592820 + ... + 2592991.

It is an arithmetic number, because the mean of its divisors is an integer number (85565898).

Almost surely, 2^445979746 is an apocalyptic number.

445979746 is a deficient number, since it is larger than the sum of its proper divisors (238547438).

445979746 is a wasteful number, since it uses less digits than its factorization.

445979746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185856.

The product of its digits is 7620480, while the sum is 55.

The square root of 445979746 is about 21118.2325491505. The cubic root of 445979746 is about 764.0205592359.

The spelling of 445979746 in words is "four hundred forty-five million, nine hundred seventy-nine thousand, seven hundred forty-six".