447364685 has 8 divisors (see below), whose sum is σ = 539066616. Its totient is φ = 356405760.

The previous prime is 447364663. The next prime is 447364693. The reversal of 447364685 is 586463744.

It can be written as a sum of positive squares in 4 ways, for example, as 137499076 + 309865609 = 11726^2 + 17603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447364685 - 2¹⁰ = 447363661 is a prime.

It is a super-2 number, since 2×447364685² = 400270322770298450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184424 + ... + 186833.

It is an arithmetic number, because the mean of its divisors is an integer number (67383327).

Almost surely, 2^447364685 is an apocalyptic number.

It is an amenable number.

447364685 is a deficient number, since it is larger than the sum of its proper divisors (91701931).

447364685 is a wasteful number, since it uses less digits than its factorization.

447364685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371503.

The product of its digits is 1935360, while the sum is 47.

The square root of 447364685 is about 21150.9972578127. The cubic root of 447364685 is about 764.8106014388.

The spelling of 447364685 in words is "four hundred forty-seven million, three hundred sixty-four thousand, six hundred eighty-five".