447842305 has 16 divisors (see below), whose sum is σ = 574255440. Its totient is φ = 334098432.

The previous prime is 447842279. The next prime is 447842323. The reversal of 447842305 is 503248744.

It can be written as a sum of positive squares in 8 ways, for example, as 62583921 + 385258384 = 7911^2 + 19628^2 .

It is a cyclic number.

It is not a de Polignac number, because 447842305 - 2¹³ = 447834113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14904 + ... + 33433.

It is an arithmetic number, because the mean of its divisors is an integer number (35890965).

Almost surely, 2^447842305 is an apocalyptic number.

It is an amenable number.

447842305 is a deficient number, since it is larger than the sum of its proper divisors (126413135).

447842305 is a wasteful number, since it uses less digits than its factorization.

447842305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48468.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 447842305 is about 21162.2849664208. The cubic root of 447842305 is about 765.0826829053.

It can be divided in two parts, 44784 and 2305, that added together give a square (47089 = 217²).

The spelling of 447842305 in words is "four hundred forty-seven million, eight hundred forty-two thousand, three hundred five".