447920682 has 64 divisors (see below), whose sum is σ = 1007935488. Its totient is φ = 131544000.

The previous prime is 447920657. The next prime is 447920719. The reversal of 447920682 is 286029744.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285063 + ... + 286629.

It is an arithmetic number, because the mean of its divisors is an integer number (15748992).

Almost surely, 2^447920682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447920682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503967744).

447920682 is an abundant number, since it is smaller than the sum of its proper divisors (560014806).

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

447920682 is a wasteful number, since it uses less digits than its factorization.

447920682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 447920682 is about 21164.1366939453. The cubic root of 447920682 is about 765.1273127426.

It can be divided in two parts, 447 and 920682, that added together give a palindrome (921129).

The spelling of 447920682 in words is "four hundred forty-seven million, nine hundred twenty thousand, six hundred eighty-two".