447676405 has 24 divisors (see below), whose sum is σ = 591902136. Its totient is φ = 324804480.

The previous prime is 447676373. The next prime is 447676409. The reversal of 447676405 is 504676744.

It can be written as a sum of positive squares in 4 ways, for example, as 320302609 + 127373796 = 17897^2 + 11286^2 .

It is not a de Polignac number, because 447676405 - 2⁵ = 447676373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447676409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409039 + ... + 410131.

It is an arithmetic number, because the mean of its divisors is an integer number (24662589).

Almost surely, 2^447676405 is an apocalyptic number.

It is an amenable number.

447676405 is a deficient number, since it is larger than the sum of its proper divisors (144225731).

447676405 is a wasteful number, since it uses less digits than its factorization.

447676405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 447676405 is about 21158.3648942918. The cubic root of 447676405 is about 764.9881980892.

The spelling of 447676405 in words is "four hundred forty-seven million, six hundred seventy-six thousand, four hundred five".