447406 has 8 divisors (see below), whose sum is σ = 710640. Its totient is φ = 210528.

The previous prime is 447401. The next prime is 447409. The reversal of 447406 is 604744.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6546 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (88830).

2⁴⁴⁷⁴⁰⁶ is an apocalyptic number.

447406 is a deficient number, since it is larger than the sum of its proper divisors (263234).

447406 is a wasteful number, since it uses less digits than its factorization.

447406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13178.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 447406 is about 668.8841454243. The cubic root of 447406 is about 76.4834144630.

The spelling of 447406 in words is "four hundred forty-seven thousand, four hundred six".