447999461 has 32 divisors (see below), whose sum is σ = 585795840. Its totient is φ = 332688384.

The previous prime is 447999457. The next prime is 447999463. The reversal of 447999461 is 164999744.

It is not a de Polignac number, because 447999461 - 2² = 447999457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447999463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194231 + ... + 196523.

It is an arithmetic number, because the mean of its divisors is an integer number (18306120).

Almost surely, 2^447999461 is an apocalyptic number.

It is an amenable number.

447999461 is a deficient number, since it is larger than the sum of its proper divisors (137796379).

447999461 is a wasteful number, since it uses less digits than its factorization.

447999461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445.

The product of its digits is 1959552, while the sum is 53.

The square root of 447999461 is about 21165.9977558347. The cubic root of 447999461 is about 765.1721662428.

The spelling of 447999461 in words is "four hundred forty-seven million, nine hundred ninety-nine thousand, four hundred sixty-one".