447674436 has 144 divisors (see below), whose sum is σ = 1283143680. Its totient is φ = 130426560.

The previous prime is 447674431. The next prime is 447674453. The reversal of 447674436 is 634476744.

It is a junction number, because it is equal to n+sod(n) for n = 447674391 and 447674400.

It is not an unprimeable number, because it can be changed into a prime (447674431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1246825 + ... + 1247183.

It is an arithmetic number, because the mean of its divisors is an integer number (8910720).

Almost surely, 2^447674436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447674436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641571840).

447674436 is an abundant number, since it is smaller than the sum of its proper divisors (835469244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447674436 is a wasteful number, since it uses less digits than its factorization.

447674436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

The square root of 447674436 is about 21158.3183641801. The cubic root of 447674436 is about 764.9870765470.

The spelling of 447674436 in words is "four hundred forty-seven million, six hundred seventy-four thousand, four hundred thirty-six".