446731089 has 16 divisors (see below), whose sum is σ = 694627200. Its totient is φ = 255274320.

The previous prime is 446731073. The next prime is 446731123. The reversal of 446731089 is 980137644.

It is not a de Polignac number, because 446731089 - 2⁴ = 446731073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 446731089.

It is not an unprimeable number, because it can be changed into a prime (446731289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216042 + ... + 218099.

It is an arithmetic number, because the mean of its divisors is an integer number (43414200).

Almost surely, 2^446731089 is an apocalyptic number.

446731089 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

446731089 is a deficient number, since it is larger than the sum of its proper divisors (247896111).

446731089 is an equidigital number, since it uses as much as digits as its factorization.

446731089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434165 (or 434151 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 446731089 is about 21136.0140281937. The cubic root of 446731089 is about 764.4493675264.

The spelling of 446731089 in words is "four hundred forty-six million, seven hundred thirty-one thousand, eighty-nine".