447674285 has 16 divisors (see below), whose sum is σ = 565194672. Its totient is φ = 339955200.

The previous prime is 447674281. The next prime is 447674287. The reversal of 447674285 is 582476744.

It can be written as a sum of positive squares in 8 ways, for example, as 22448644 + 425225641 = 4738^2 + 20621^2 .

It is not a de Polignac number, because 447674285 - 2² = 447674281 is a prime.

It is a super-2 number, since 2×447674285² = 400824530900522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447674281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21926 + ... + 37095.

It is an arithmetic number, because the mean of its divisors is an integer number (35324667).

Almost surely, 2^447674285 is an apocalyptic number.

It is an amenable number.

447674285 is a deficient number, since it is larger than the sum of its proper divisors (117520387).

447674285 is a wasteful number, since it uses less digits than its factorization.

447674285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59104.

The product of its digits is 1505280, while the sum is 47.

The square root of 447674285 is about 21158.3147958433. The cubic root of 447674285 is about 764.9869905373.

The spelling of 447674285 in words is "four hundred forty-seven million, six hundred seventy-four thousand, two hundred eighty-five".