446284928 has 64 divisors (see below), whose sum is σ = 937681920. Its totient is φ = 211261440.

The previous prime is 446284921. The next prime is 446284931. The reversal of 446284928 is 829482644.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (446284921) 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 in 7 ways as a sum of consecutive naturals, for example, 185300 + ... + 187692.

It is an arithmetic number, because the mean of its divisors is an integer number (14651280).

Almost surely, 2^446284928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 446284928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468840960).

446284928 is an abundant number, since it is smaller than the sum of its proper divisors (491396992).

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

446284928 is a wasteful number, since it uses less digits than its factorization.

446284928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2473 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 446284928 is about 21125.4568707993. The cubic root of 446284928 is about 764.1947914814.

The spelling of 446284928 in words is "four hundred forty-six million, two hundred eighty-four thousand, nine hundred twenty-eight".