446389056 has 84 divisors (see below), whose sum is σ = 1326928512. Its totient is φ = 148791168.

The previous prime is 446389007. The next prime is 446389093. The reversal of 446389056 is 650983644.

446389056 is a `hidden beast` number, since 4 + 4 + 638 + 9 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×446389056² = 398526378633142272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201 + ... + 29903.

It is an arithmetic number, because the mean of its divisors is an integer number (15796768).

Almost surely, 2^446389056 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 446389056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663464256).

446389056 is an abundant number, since it is smaller than the sum of its proper divisors (880539456).

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

446389056 is an equidigital number, since it uses as much as digits as its factorization.

446389056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28730 (or 28708 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 446389056 is about 21127.9212418070. The cubic root of 446389056 is about 764.2542212928.

The spelling of 446389056 in words is "four hundred forty-six million, three hundred eighty-nine thousand, fifty-six".