447516 has 36 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 144000.

The previous prime is 447509. The next prime is 447521. The reversal of 447516 is 615744.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 447516.

It is a congruent number.

It is an unprimeable number.

447516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916 + ... + 1316.

2⁴⁴⁷⁵¹⁶ 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 447516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585312).

447516 is an abundant number, since it is smaller than the sum of its proper divisors (723108).

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

447516 is a wasteful number, since it uses less digits than its factorization.

447516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 447516 is about 668.9663668676. The cubic root of 447516 is about 76.4896820635.

The spelling of 447516 in words is "four hundred forty-seven thousand, five hundred sixteen".