446243972 has 6 divisors (see below), whose sum is σ = 780926958. Its totient is φ = 223121984.

The previous prime is 446243971. The next prime is 446243983. The reversal of 446243972 is 279342644.

It can be written as a sum of positive squares in only one way, i.e., 286828096 + 159415876 = 16936^2 + 12626^2 .

It is not an unprimeable number, because it can be changed into a prime (446243971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55780493 + ... + 55780500.

It is an arithmetic number, because the mean of its divisors is an integer number (130154493).

Almost surely, 2^446243972 is an apocalyptic number.

It is an amenable number.

446243972 is a deficient number, since it is larger than the sum of its proper divisors (334682986).

446243972 is a wasteful number, since it uses less digits than its factorization.

446243972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111560997 (or 111560995 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 446243972 is about 21124.4874967418. The cubic root of 446243972 is about 764.1714138009.

The spelling of 446243972 in words is "four hundred forty-six million, two hundred forty-three thousand, nine hundred seventy-two".